diff --git a/artifacts/contracts/solidity/oz/ERC-2771/ERC2771Context.sol/ERC2771ContextTest.dbg.json b/artifacts/contracts/solidity/oz/ERC-2771/ERC2771Context.sol/ERC2771ContextTest.dbg.json
index e27ccab6c..6857855ce 100644
--- a/artifacts/contracts/solidity/oz/ERC-2771/ERC2771Context.sol/ERC2771ContextTest.dbg.json
+++ b/artifacts/contracts/solidity/oz/ERC-2771/ERC2771Context.sol/ERC2771ContextTest.dbg.json
@@ -1,4 +1,4 @@
 {
   "_format": "hh-sol-dbg-1",
-  "buildInfo": "../../../../../build-info/dec15a2c1d17d204bdfcc03ceac1e4ca.json"
+  "buildInfo": "../../../../../build-info/3f95829b0790d58068477b0d5ee56231.json"
 }
diff --git a/artifacts/contracts/solidity/oz/ReentrancyGuard/ReentrancyGuardTestReceiver.sol/ReentrancyGuardTestReceiver.dbg.json b/artifacts/contracts/solidity/oz/ReentrancyGuard/ReentrancyGuardTestReceiver.sol/ReentrancyGuardTestReceiver.dbg.json
new file mode 100644
index 000000000..6857855ce
--- /dev/null
+++ b/artifacts/contracts/solidity/oz/ReentrancyGuard/ReentrancyGuardTestReceiver.sol/ReentrancyGuardTestReceiver.dbg.json
@@ -0,0 +1,4 @@
+{
+  "_format": "hh-sol-dbg-1",
+  "buildInfo": "../../../../../build-info/3f95829b0790d58068477b0d5ee56231.json"
+}
diff --git a/artifacts/contracts/solidity/oz/ReentrancyGuard/ReentrancyGuardTestReceiver.sol/ReentrancyGuardTestReceiver.json b/artifacts/contracts/solidity/oz/ReentrancyGuard/ReentrancyGuardTestReceiver.sol/ReentrancyGuardTestReceiver.json
new file mode 100644
index 000000000..2dd623b16
--- /dev/null
+++ b/artifacts/contracts/solidity/oz/ReentrancyGuard/ReentrancyGuardTestReceiver.sol/ReentrancyGuardTestReceiver.json
@@ -0,0 +1,66 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "ReentrancyGuardTestReceiver",
+  "sourceName": "contracts/solidity/oz/ReentrancyGuard/ReentrancyGuardTestReceiver.sol",
+  "abi": [
+    {
+      "inputs": [
+        {
+          "internalType": "address payable",
+          "name": "_reentrancyGuardTestSender",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "constructor"
+    },
+    {
+      "inputs": [],
+      "name": "attack",
+      "outputs": [],
+      "stateMutability": "payable",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "attackNonReentrant",
+      "outputs": [],
+      "stateMutability": "payable",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "reentrancyGuardTestSender",
+      "outputs": [
+        {
+          "internalType": "contract ReentrancyGuardTestSender",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bool",
+          "name": "_nonReentrant",
+          "type": "bool"
+        }
+      ],
+      "name": "setNonReentrant",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "stateMutability": "payable",
+      "type": "receive"
+    }
+  ],
+  "bytecode": "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",
+  "deployedBytecode": "0x6080604052600436106100435760003560e01c80635705d8e61461011b57806393abfaf1146101575780639e5faafc14610190578063f68d7e581461019857600080fd5b36610116576305f5e1003331108015906100675750600054600160a01b900460ff16155b156100c357600080546040805163dd09946160e01b815290516001600160a01b039092169263dd0994619260048084019382900301818387803b1580156100ad57600080fd5b505af11580156100c1573d6000803e3d6000fd5b005b600054600160a01b900460ff16156100c157600080546040805163c9b0b3b360e01b815290516001600160a01b039092169263c9b0b3b39260048084019382900301818387803b1580156100ad57600080fd5b600080fd5b34801561012757600080fd5b5060005461013b906001600160a01b031681565b6040516001600160a01b03909116815260200160405180910390f35b34801561016357600080fd5b506100c161017236600461023c565b60008054911515600160a01b0260ff60a01b19909216919091179055565b6100c16101a0565b6100c16101fb565b600080546040805163dd09946160e01b815290516001600160a01b039092169263dd0994619260048084019382900301818387803b1580156101e157600080fd5b505af11580156101f5573d6000803e3d6000fd5b50505050565b600080546040805163c9b0b3b360e01b815290516001600160a01b039092169263c9b0b3b39260048084019382900301818387803b1580156101e157600080fd5b60006020828403121561024e57600080fd5b8135801515811461025e57600080fd5b939250505056fea2646970667358221220faf10d863d0f527ff108056170529a193de36942820d44659df97130c7ecfb5a64736f6c63430008140033",
+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}
diff --git a/artifacts/contracts/solidity/oz/ReentrancyGuard/ReentrancyGuardTestSender.sol/ReentrancyGuardTestSender.dbg.json b/artifacts/contracts/solidity/oz/ReentrancyGuard/ReentrancyGuardTestSender.sol/ReentrancyGuardTestSender.dbg.json
new file mode 100644
index 000000000..6857855ce
--- /dev/null
+++ b/artifacts/contracts/solidity/oz/ReentrancyGuard/ReentrancyGuardTestSender.sol/ReentrancyGuardTestSender.dbg.json
@@ -0,0 +1,4 @@
+{
+  "_format": "hh-sol-dbg-1",
+  "buildInfo": "../../../../../build-info/3f95829b0790d58068477b0d5ee56231.json"
+}
diff --git a/artifacts/contracts/solidity/oz/ReentrancyGuard/ReentrancyGuardTestSender.sol/ReentrancyGuardTestSender.json b/artifacts/contracts/solidity/oz/ReentrancyGuard/ReentrancyGuardTestSender.sol/ReentrancyGuardTestSender.json
new file mode 100644
index 000000000..bdec21a46
--- /dev/null
+++ b/artifacts/contracts/solidity/oz/ReentrancyGuard/ReentrancyGuardTestSender.sol/ReentrancyGuardTestSender.json
@@ -0,0 +1,52 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "ReentrancyGuardTestSender",
+  "sourceName": "contracts/solidity/oz/ReentrancyGuard/ReentrancyGuardTestSender.sol",
+  "abi": [
+    {
+      "inputs": [],
+      "stateMutability": "payable",
+      "type": "constructor"
+    },
+    {
+      "inputs": [],
+      "name": "ReentrancyGuardReentrantCall",
+      "type": "error"
+    },
+    {
+      "inputs": [],
+      "name": "counter",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "reentrancyTest",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "reentrancyTestNonReentrant",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "stateMutability": "payable",
+      "type": "receive"
+    }
+  ],
+  "bytecode": "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",
+  "deployedBytecode": "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",
+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}
diff --git a/artifacts/contracts/solidity/oz/create2/ContractCreatorOZCreate2.sol/ContractCreatorOZCreate2.dbg.json b/artifacts/contracts/solidity/oz/create2/ContractCreatorOZCreate2.sol/ContractCreatorOZCreate2.dbg.json
new file mode 100644
index 000000000..6857855ce
--- /dev/null
+++ b/artifacts/contracts/solidity/oz/create2/ContractCreatorOZCreate2.sol/ContractCreatorOZCreate2.dbg.json
@@ -0,0 +1,4 @@
+{
+  "_format": "hh-sol-dbg-1",
+  "buildInfo": "../../../../../build-info/3f95829b0790d58068477b0d5ee56231.json"
+}
diff --git a/artifacts/contracts/solidity/oz/create2/ContractCreatorOZCreate2.sol/ContractCreatorOZCreate2.json b/artifacts/contracts/solidity/oz/create2/ContractCreatorOZCreate2.sol/ContractCreatorOZCreate2.json
new file mode 100644
index 000000000..b5fac715b
--- /dev/null
+++ b/artifacts/contracts/solidity/oz/create2/ContractCreatorOZCreate2.sol/ContractCreatorOZCreate2.json
@@ -0,0 +1,102 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "ContractCreatorOZCreate2",
+  "sourceName": "contracts/solidity/oz/create2/ContractCreatorOZCreate2.sol",
+  "abi": [
+    {
+      "inputs": [],
+      "stateMutability": "payable",
+      "type": "constructor"
+    },
+    {
+      "inputs": [],
+      "name": "Create2EmptyBytecode",
+      "type": "error"
+    },
+    {
+      "inputs": [],
+      "name": "Create2FailedDeployment",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "balance",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint256",
+          "name": "needed",
+          "type": "uint256"
+        }
+      ],
+      "name": "Create2InsufficientBalance",
+      "type": "error"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": false,
+          "internalType": "address",
+          "name": "addr",
+          "type": "address"
+        }
+      ],
+      "name": "NewContractDeployedAt",
+      "type": "event"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "salt",
+          "type": "uint256"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "bytecodeHash",
+          "type": "bytes32"
+        }
+      ],
+      "name": "computeAddress",
+      "outputs": [
+        {
+          "internalType": "address",
+          "name": "addr",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "amount",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint256",
+          "name": "salt",
+          "type": "uint256"
+        },
+        {
+          "internalType": "bytes",
+          "name": "bytecode",
+          "type": "bytes"
+        }
+      ],
+      "name": "deploy",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    }
+  ],
+  "bytecode": "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",
+  "deployedBytecode": "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",
+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}
diff --git a/artifacts/contracts/solidity/oz/ownable/CrowdFund.sol/CrowdFund.dbg.json b/artifacts/contracts/solidity/oz/ownable/CrowdFund.sol/CrowdFund.dbg.json
new file mode 100644
index 000000000..6857855ce
--- /dev/null
+++ b/artifacts/contracts/solidity/oz/ownable/CrowdFund.sol/CrowdFund.dbg.json
@@ -0,0 +1,4 @@
+{
+  "_format": "hh-sol-dbg-1",
+  "buildInfo": "../../../../../build-info/3f95829b0790d58068477b0d5ee56231.json"
+}
diff --git a/artifacts/contracts/solidity/oz/ownable/CrowdFund.sol/CrowdFund.json b/artifacts/contracts/solidity/oz/ownable/CrowdFund.sol/CrowdFund.json
new file mode 100644
index 000000000..5039afa3e
--- /dev/null
+++ b/artifacts/contracts/solidity/oz/ownable/CrowdFund.sol/CrowdFund.json
@@ -0,0 +1,189 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "CrowdFund",
+  "sourceName": "contracts/solidity/oz/ownable/CrowdFund.sol",
+  "abi": [
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "_owner",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "constructor"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "balance",
+          "type": "uint256"
+        }
+      ],
+      "name": "InsufficientBalance",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "owner",
+          "type": "address"
+        }
+      ],
+      "name": "OwnableInvalidOwner",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        }
+      ],
+      "name": "OwnableUnauthorizedAccount",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "amount",
+          "type": "uint256"
+        }
+      ],
+      "name": "WithdrawlError",
+      "type": "error"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": false,
+          "internalType": "address",
+          "name": "depositer",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "amount",
+          "type": "uint256"
+        }
+      ],
+      "name": "Deposit",
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+      "name": "balance",
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+      "type": "function"
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+      "name": "owner",
+      "outputs": [
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+          "name": "",
+          "type": "address"
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+      "stateMutability": "view",
+      "type": "function"
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+      "inputs": [],
+      "name": "renounceOwnership",
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+      "stateMutability": "nonpayable",
+      "type": "function"
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+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "newOwner",
+          "type": "address"
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+}
diff --git a/artifacts/contracts/solidity/oz/safeCast/SafeCast.sol/SafeCastTest.dbg.json b/artifacts/contracts/solidity/oz/safeCast/SafeCast.sol/SafeCastTest.dbg.json
new file mode 100644
index 000000000..bb634fd9f
--- /dev/null
+++ b/artifacts/contracts/solidity/oz/safeCast/SafeCast.sol/SafeCastTest.dbg.json
@@ -0,0 +1,4 @@
+{
+  "_format": "hh-sol-dbg-1",
+  "buildInfo": "../../../../../build-info/a916cad494e300c96289be78d9e4f9e0.json"
+}
diff --git a/artifacts/contracts/solidity/oz/safeCast/SafeCast.sol/SafeCastTest.json b/artifacts/contracts/solidity/oz/safeCast/SafeCast.sol/SafeCastTest.json
new file mode 100644
index 000000000..92a27d466
--- /dev/null
+++ b/artifacts/contracts/solidity/oz/safeCast/SafeCast.sol/SafeCastTest.json
@@ -0,0 +1,1281 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "SafeCastTest",
+  "sourceName": "contracts/solidity/oz/safeCast/SafeCast.sol",
+  "abi": [
+    {
+      "inputs": [
+        {
+          "internalType": "uint8",
+          "name": "bits",
+          "type": "uint8"
+        },
+        {
+          "internalType": "int256",
+          "name": "value",
+          "type": "int256"
+        }
+      ],
+      "name": "SafeCastOverflowedIntDowncast",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "int256",
+          "name": "value",
+          "type": "int256"
+        }
+      ],
+      "name": "SafeCastOverflowedIntToUint",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint8",
+          "name": "bits",
+          "type": "uint8"
+        },
+        {
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "SafeCastOverflowedUintDowncast",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "SafeCastOverflowedUintToInt",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "int256",
+          "name": "number",
+          "type": "int256"
+        }
+      ],
+      "name": "toInt104",
+      "outputs": [
+        {
+          "internalType": "int104",
+          "name": "",
+          "type": "int104"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
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+        {
+          "internalType": "int256",
+          "name": "number",
+          "type": "int256"
+        }
+      ],
+      "name": "toInt112",
+      "outputs": [
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+          "internalType": "int112",
+          "name": "",
+          "type": "int112"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
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+        {
+          "internalType": "int256",
+          "name": "number",
+          "type": "int256"
+        }
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+      "name": "toInt120",
+      "outputs": [
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+          "name": "",
+          "type": "int120"
+        }
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+      "stateMutability": "view",
+      "type": "function"
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+        {
+          "internalType": "int256",
+          "name": "number",
+          "type": "int256"
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+      "outputs": [
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+          "name": "",
+          "type": "int128"
+        }
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+      "stateMutability": "view",
+      "type": "function"
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+          "name": "",
+          "type": "int136"
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+      "type": "function"
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+          "name": "number",
+          "type": "int256"
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+      "outputs": [
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+          "name": "",
+          "type": "int144"
+        }
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+      "stateMutability": "view",
+      "type": "function"
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+        {
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+          "name": "number",
+          "type": "int256"
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+          "name": "",
+          "type": "int152"
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+          "name": "",
+          "type": "int16"
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+      "stateMutability": "view",
+      "type": "function"
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+      "outputs": [
+        {
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+          "name": "",
+          "type": "int160"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
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+        {
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+          "name": "number",
+          "type": "int256"
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+      "name": "toInt168",
+      "outputs": [
+        {
+          "internalType": "int168",
+          "name": "",
+          "type": "int168"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
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+        {
+          "internalType": "int256",
+          "name": "number",
+          "type": "int256"
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+      "name": "toInt176",
+      "outputs": [
+        {
+          "internalType": "int176",
+          "name": "",
+          "type": "int176"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
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+        {
+          "internalType": "int256",
+          "name": "number",
+          "type": "int256"
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+      "name": "toInt184",
+      "outputs": [
+        {
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+          "name": "",
+          "type": "int184"
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+      "stateMutability": "view",
+      "type": "function"
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+          "name": "number",
+          "type": "int256"
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+      "name": "toInt192",
+      "outputs": [
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+          "name": "",
+          "type": "int192"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
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+          "name": "number",
+          "type": "int256"
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+      "outputs": [
+        {
+          "internalType": "int200",
+          "name": "",
+          "type": "int200"
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+      "stateMutability": "view",
+      "type": "function"
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+          "type": "int256"
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+      "outputs": [
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+          "name": "",
+          "type": "int208"
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+          "name": "",
+          "type": "int216"
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+      "stateMutability": "view",
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+          "type": "int224"
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+      "stateMutability": "view",
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+      "outputs": [
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+          "name": "",
+          "type": "int232"
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+      "stateMutability": "view",
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+      "stateMutability": "view",
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+      "stateMutability": "view",
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+      "stateMutability": "view",
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+          "type": "int48"
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+      "stateMutability": "view",
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+          "type": "int64"
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+        {
+          "internalType": "int256",
+          "name": "number",
+          "type": "int256"
+        }
+      ],
+      "name": "toInt72",
+      "outputs": [
+        {
+          "internalType": "int72",
+          "name": "",
+          "type": "int72"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "int256",
+          "name": "number",
+          "type": "int256"
+        }
+      ],
+      "name": "toInt8",
+      "outputs": [
+        {
+          "internalType": "int8",
+          "name": "",
+          "type": "int8"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "int256",
+          "name": "number",
+          "type": "int256"
+        }
+      ],
+      "name": "toInt80",
+      "outputs": [
+        {
+          "internalType": "int80",
+          "name": "",
+          "type": "int80"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "int256",
+          "name": "number",
+          "type": "int256"
+        }
+      ],
+      "name": "toInt88",
+      "outputs": [
+        {
+          "internalType": "int88",
+          "name": "",
+          "type": "int88"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "int256",
+          "name": "number",
+          "type": "int256"
+        }
+      ],
+      "name": "toInt96",
+      "outputs": [
+        {
+          "internalType": "int96",
+          "name": "",
+          "type": "int96"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "number",
+          "type": "uint256"
+        }
+      ],
+      "name": "toUint104",
+      "outputs": [
+        {
+          "internalType": "uint104",
+          "name": "",
+          "type": "uint104"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "number",
+          "type": "uint256"
+        }
+      ],
+      "name": "toUint112",
+      "outputs": [
+        {
+          "internalType": "uint112",
+          "name": "",
+          "type": "uint112"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "number",
+          "type": "uint256"
+        }
+      ],
+      "name": "toUint120",
+      "outputs": [
+        {
+          "internalType": "uint120",
+          "name": "",
+          "type": "uint120"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "number",
+          "type": "uint256"
+        }
+      ],
+      "name": "toUint128",
+      "outputs": [
+        {
+          "internalType": "uint128",
+          "name": "",
+          "type": "uint128"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "number",
+          "type": "uint256"
+        }
+      ],
+      "name": "toUint136",
+      "outputs": [
+        {
+          "internalType": "uint136",
+          "name": "",
+          "type": "uint136"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "number",
+          "type": "uint256"
+        }
+      ],
+      "name": "toUint144",
+      "outputs": [
+        {
+          "internalType": "uint144",
+          "name": "",
+          "type": "uint144"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "number",
+          "type": "uint256"
+        }
+      ],
+      "name": "toUint152",
+      "outputs": [
+        {
+          "internalType": "uint152",
+          "name": "",
+          "type": "uint152"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "number",
+          "type": "uint256"
+        }
+      ],
+      "name": "toUint16",
+      "outputs": [
+        {
+          "internalType": "uint16",
+          "name": "",
+          "type": "uint16"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "number",
+          "type": "uint256"
+        }
+      ],
+      "name": "toUint160",
+      "outputs": [
+        {
+          "internalType": "uint160",
+          "name": "",
+          "type": "uint160"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "number",
+          "type": "uint256"
+        }
+      ],
+      "name": "toUint168",
+      "outputs": [
+        {
+          "internalType": "uint168",
+          "name": "",
+          "type": "uint168"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "number",
+          "type": "uint256"
+        }
+      ],
+      "name": "toUint176",
+      "outputs": [
+        {
+          "internalType": "uint176",
+          "name": "",
+          "type": "uint176"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "number",
+          "type": "uint256"
+        }
+      ],
+      "name": "toUint184",
+      "outputs": [
+        {
+          "internalType": "uint184",
+          "name": "",
+          "type": "uint184"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "number",
+          "type": "uint256"
+        }
+      ],
+      "name": "toUint192",
+      "outputs": [
+        {
+          "internalType": "uint192",
+          "name": "",
+          "type": "uint192"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "number",
+          "type": "uint256"
+        }
+      ],
+      "name": "toUint200",
+      "outputs": [
+        {
+          "internalType": "uint200",
+          "name": "",
+          "type": "uint200"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "number",
+          "type": "uint256"
+        }
+      ],
+      "name": "toUint208",
+      "outputs": [
+        {
+          "internalType": "uint208",
+          "name": "",
+          "type": "uint208"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "number",
+          "type": "uint256"
+        }
+      ],
+      "name": "toUint216",
+      "outputs": [
+        {
+          "internalType": "uint216",
+          "name": "",
+          "type": "uint216"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
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+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "number",
+          "type": "uint256"
+        }
+      ],
+      "name": "toUint224",
+      "outputs": [
+        {
+          "internalType": "uint224",
+          "name": "",
+          "type": "uint224"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "number",
+          "type": "uint256"
+        }
+      ],
+      "name": "toUint232",
+      "outputs": [
+        {
+          "internalType": "uint232",
+          "name": "",
+          "type": "uint232"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
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+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "number",
+          "type": "uint256"
+        }
+      ],
+      "name": "toUint24",
+      "outputs": [
+        {
+          "internalType": "uint24",
+          "name": "",
+          "type": "uint24"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
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+      "inputs": [
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+          "internalType": "uint256",
+          "name": "number",
+          "type": "uint256"
+        }
+      ],
+      "name": "toUint240",
+      "outputs": [
+        {
+          "internalType": "uint240",
+          "name": "",
+          "type": "uint240"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
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+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "number",
+          "type": "uint256"
+        }
+      ],
+      "name": "toUint248",
+      "outputs": [
+        {
+          "internalType": "uint248",
+          "name": "",
+          "type": "uint248"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "int256",
+          "name": "number",
+          "type": "int256"
+        }
+      ],
+      "name": "toUint256",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "pure",
+      "type": "function"
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+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "number",
+          "type": "uint256"
+        }
+      ],
+      "name": "toUint32",
+      "outputs": [
+        {
+          "internalType": "uint32",
+          "name": "",
+          "type": "uint32"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
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+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "number",
+          "type": "uint256"
+        }
+      ],
+      "name": "toUint40",
+      "outputs": [
+        {
+          "internalType": "uint40",
+          "name": "",
+          "type": "uint40"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
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+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "number",
+          "type": "uint256"
+        }
+      ],
+      "name": "toUint48",
+      "outputs": [
+        {
+          "internalType": "uint48",
+          "name": "",
+          "type": "uint48"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
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+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "number",
+          "type": "uint256"
+        }
+      ],
+      "name": "toUint56",
+      "outputs": [
+        {
+          "internalType": "uint56",
+          "name": "",
+          "type": "uint56"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
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+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "number",
+          "type": "uint256"
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+      "name": "toUint64",
+      "outputs": [
+        {
+          "internalType": "uint64",
+          "name": "",
+          "type": "uint64"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
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+      "inputs": [
+        {
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+          "name": "number",
+          "type": "uint256"
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+      "name": "toUint72",
+      "outputs": [
+        {
+          "internalType": "uint72",
+          "name": "",
+          "type": "uint72"
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+      ],
+      "stateMutability": "view",
+      "type": "function"
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+      "inputs": [
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+          "type": "uint256"
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+      "name": "toUint8",
+      "outputs": [
+        {
+          "internalType": "uint8",
+          "name": "",
+          "type": "uint8"
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+      ],
+      "stateMutability": "view",
+      "type": "function"
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+          "type": "uint256"
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+      "name": "toUint80",
+      "outputs": [
+        {
+          "internalType": "uint80",
+          "name": "",
+          "type": "uint80"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
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+      "inputs": [
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+          "internalType": "uint256",
+          "name": "number",
+          "type": "uint256"
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+      "name": "toUint88",
+      "outputs": [
+        {
+          "internalType": "uint88",
+          "name": "",
+          "type": "uint88"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
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+          "type": "uint256"
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+      "name": "toUint96",
+      "outputs": [
+        {
+          "internalType": "uint96",
+          "name": "",
+          "type": "uint96"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
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+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}
diff --git a/artifacts/contracts/solidity/signature-example/ReceiverPays.sol/ReceiverPays.dbg.json b/artifacts/contracts/solidity/signature-example/ReceiverPays.sol/ReceiverPays.dbg.json
new file mode 100644
index 000000000..93fb55481
--- /dev/null
+++ b/artifacts/contracts/solidity/signature-example/ReceiverPays.sol/ReceiverPays.dbg.json
@@ -0,0 +1,4 @@
+{
+  "_format": "hh-sol-dbg-1",
+  "buildInfo": "../../../../build-info/3f95829b0790d58068477b0d5ee56231.json"
+}
diff --git a/artifacts/contracts/solidity/signature-example/ReceiverPays.sol/ReceiverPays.json b/artifacts/contracts/solidity/signature-example/ReceiverPays.sol/ReceiverPays.json
new file mode 100644
index 000000000..d79509e88
--- /dev/null
+++ b/artifacts/contracts/solidity/signature-example/ReceiverPays.sol/ReceiverPays.json
@@ -0,0 +1,46 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "ReceiverPays",
+  "sourceName": "contracts/solidity/signature-example/ReceiverPays.sol",
+  "abi": [
+    {
+      "inputs": [],
+      "stateMutability": "payable",
+      "type": "constructor"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "amount",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint256",
+          "name": "nonce",
+          "type": "uint256"
+        },
+        {
+          "internalType": "bytes",
+          "name": "signature",
+          "type": "bytes"
+        }
+      ],
+      "name": "claimPayment",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "shutdown",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    }
+  ],
+  "bytecode": "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",
+  "deployedBytecode": "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",
+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}
diff --git a/contracts/solidity/oz/safeCast/SafeCast.sol b/contracts/solidity/oz/safeCast/SafeCast.sol
new file mode 100644
index 000000000..67cf4f7bb
--- /dev/null
+++ b/contracts/solidity/oz/safeCast/SafeCast.sol
@@ -0,0 +1,328 @@
+// SPDX-License-Identifier: Apache-2.0
+pragma solidity ^0.8.20;
+
+import "@openzeppelin/contracts/utils/math/SafeCast.sol";
+
+contract SafeCastTest {
+    uint256 maxUint256 = type(uint256).max;
+    uint248 maxUint248 = type(uint248).max;
+    uint240 maxUint240 = type(uint240).max;
+    uint232 maxUint232 = type(uint232).max;
+    uint224 maxUint224 = type(uint224).max;
+    uint216 maxUint216 = type(uint216).max;
+    uint208 maxUint208 = type(uint208).max;
+    uint200 maxUint200 = type(uint200).max;
+    uint192 maxUint192 = type(uint192).max;
+    uint184 maxUint184 = type(uint184).max;
+    uint176 maxUint176 = type(uint176).max;
+    uint168 maxUint168 = type(uint168).max;
+    uint160 maxUint160 = type(uint160).max;
+    uint152 maxUint152 = type(uint152).max;
+    uint144 maxUint144 = type(uint144).max;
+    uint136 maxUint136 = type(uint136).max;
+    uint128 maxUint128 = type(uint128).max;
+    uint120 maxUint120 = type(uint120).max;
+    uint112 maxUint112 = type(uint112).max;
+    uint104 maxUint104 = type(uint104).max;
+    uint96 maxUint96 = type(uint96).max;
+    uint88 maxUint88 = type(uint88).max;
+    uint80 maxUint80 = type(uint80).max;
+    uint72 maxUint72 = type(uint72).max;
+    uint64 maxUint64 = type(uint64).max;
+    uint56 maxUint56 = type(uint56).max;
+    uint48 maxUint48 = type(uint48).max;
+    uint40 maxUint40 = type(uint40).max;
+    uint32 maxUint32 = type(uint32).max;
+    uint24 maxUint24 = type(uint24).max;
+    uint16 maxUint16 = type(uint16).max;
+    uint8 maxUint8 = type(uint8).max;
+
+    int256 maxInt256 = type(int256).max;
+    int248 maxInt248 = type(int248).max;
+    int240 maxInt240 = type(int240).max;
+    int232 maxInt232 = type(int232).max;
+    int224 maxInt224 = type(int224).max;
+    int216 maxInt216 = type(int216).max;
+    int208 maxInt208 = type(int208).max;
+    int200 maxInt200 = type(int200).max;
+    int192 maxInt192 = type(int192).max;
+    int184 maxInt184 = type(int184).max;
+    int176 maxInt176 = type(int176).max;
+    int168 maxInt168 = type(int168).max;
+    int160 maxInt160 = type(int160).max;
+    int152 maxInt152 = type(int152).max;
+    int144 maxInt144 = type(int144).max;
+    int136 maxInt136 = type(int136).max;
+    int128 maxInt128 = type(int128).max;
+    int120 maxInt120 = type(int120).max;
+    int112 maxInt112 = type(int112).max;
+    int104 maxInt104 = type(int104).max;
+    int96 maxInt96 = type(int96).max;
+    int88 maxInt88 = type(int88).max;
+    int80 maxInt80 = type(int80).max;
+    int72 maxInt72 = type(int72).max;
+    int64 maxInt64 = type(int64).max;
+    int56 maxInt56 = type(int56).max;
+    int48 maxInt48 = type(int48).max;
+    int40 maxInt40 = type(int40).max;
+    int32 maxInt32 = type(int32).max;
+    int24 maxInt24 = type(int24).max;
+    int16 maxInt16 = type(int16).max;
+    int8 maxInt8 = type(int8).max;
+
+    function toUint256(int256 number) public pure returns (uint256) {
+        return SafeCast.toUint256(number);
+    }
+
+    function toUint248(uint256 number) public view returns (uint248) {
+        return SafeCast.toUint248(maxUint248 + number);
+    }
+
+    function toUint240(uint256 number) public view returns (uint240) {
+        return SafeCast.toUint240(maxUint240 + number);
+    }
+
+    function toUint232(uint256 number) public view returns (uint232) {
+        return SafeCast.toUint232(maxUint232 + number);
+    }
+
+    function toUint224(uint256 number) public view returns (uint224) {
+        return SafeCast.toUint224(maxUint224 + number);
+    }
+
+    function toUint216(uint256 number) public view returns (uint216) {
+        return SafeCast.toUint216(maxUint216 + number);
+    }
+
+    function toUint208(uint256 number) public view returns (uint208) {
+        return SafeCast.toUint208(maxUint208 + number);
+    }
+
+    function toUint200(uint256 number) public view returns (uint200) {
+        return SafeCast.toUint200(maxUint200 + number);
+    }
+
+    function toUint192(uint256 number) public view returns (uint192) {
+        return SafeCast.toUint192(maxUint192 + number);
+    }
+
+    function toUint184(uint256 number) public view returns (uint184) {
+        return SafeCast.toUint184(maxUint184 + number);
+    }
+
+    function toUint176(uint256 number) public view returns (uint176) {
+        return SafeCast.toUint176(maxUint176 + number);
+    }
+
+    function toUint168(uint256 number) public view returns (uint168) {
+        return SafeCast.toUint168(maxUint168 + number);
+    }
+
+    function toUint160(uint256 number) public view returns (uint160) {
+        return SafeCast.toUint160(maxUint160 + number);
+    }
+
+    function toUint152(uint256 number) public view returns (uint152) {
+        return SafeCast.toUint152(maxUint152 + number);
+    }
+
+    function toUint144(uint256 number) public view returns (uint144) {
+        return SafeCast.toUint144(maxUint144 + number);
+    }
+
+    function toUint136(uint256 number) public view returns (uint136) {
+        return SafeCast.toUint136(maxUint136 + number);
+    }
+
+    function toUint128(uint256 number) public view returns (uint128) {
+        return SafeCast.toUint128(maxUint128 + number);
+    }
+
+    function toUint120(uint256 number) public view returns (uint120) {
+        return SafeCast.toUint120(maxUint120 + number);
+    }
+
+    function toUint112(uint256 number) public view returns (uint112) {
+        return SafeCast.toUint112(maxUint112 + number);
+    }
+
+    function toUint104(uint256 number) public view returns (uint104) {
+        return SafeCast.toUint104(maxUint104 + number);
+    }
+
+    function toUint96(uint256 number) public view returns (uint96) {
+        return SafeCast.toUint96(maxUint96 + number);
+    }
+
+    function toUint88(uint256 number) public view returns (uint88) {
+        return SafeCast.toUint88(maxUint88 + number);
+    }
+
+    function toUint80(uint256 number) public view returns (uint80) {
+        return SafeCast.toUint80(maxUint80 + number);
+    }
+
+    function toUint72(uint256 number) public view returns (uint72) {
+        return SafeCast.toUint72(maxUint72 + number);
+    }
+
+    function toUint64(uint256 number) public view returns (uint64) {
+        return SafeCast.toUint64(maxUint64 + number);
+    }
+
+    function toUint56(uint256 number) public view returns (uint56) {
+        return SafeCast.toUint56(maxUint56 + number);
+    }
+
+    function toUint48(uint256 number) public view returns (uint48) {
+        return SafeCast.toUint48(maxUint48 + number);
+    }
+
+    function toUint40(uint256 number) public view returns (uint40) {
+        return SafeCast.toUint40(maxUint40 + number);
+    }
+
+    function toUint32(uint256 number) public view returns (uint32) {
+        return SafeCast.toUint32(maxUint32 + number);
+    }
+
+    function toUint24(uint256 number) public view returns (uint24) {
+        return SafeCast.toUint24(maxUint24 + number);
+    }
+
+    function toUint16(uint256 number) public view returns (uint16) {
+        return SafeCast.toUint16(maxUint16 + number);
+    }
+
+    function toUint8(uint256 number) public view returns (uint8) {
+        return SafeCast.toUint8(maxUint8 + number);
+    }
+
+    function toInt248(int256 number) public view returns (int248) {
+        return SafeCast.toInt248(maxInt248 + number);
+    }
+
+    function toInt240(int256 number) public view returns (int240) {
+        return SafeCast.toInt240(maxInt240 + number);
+    }
+
+    function toInt232(int256 number) public view returns (int232) {
+        return SafeCast.toInt232(maxInt232 + number);
+    }
+
+    function toInt224(int256 number) public view returns (int224) {
+        return SafeCast.toInt224(maxInt224 + number);
+    }
+
+    function toInt216(int256 number) public view returns (int216) {
+        return SafeCast.toInt216(maxInt216 + number);
+    }
+
+    function toInt208(int256 number) public view returns (int208) {
+        return SafeCast.toInt208(maxInt208 + number);
+    }
+
+    function toInt200(int256 number) public view returns (int200) {
+        return SafeCast.toInt200(maxInt200 + number);
+    }
+
+    function toInt192(int256 number) public view returns (int192) {
+        return SafeCast.toInt192(maxInt192 + number);
+    }
+
+    function toInt184(int256 number) public view returns (int184) {
+        return SafeCast.toInt184(maxInt184 + number);
+    }
+
+    function toInt176(int256 number) public view returns (int176) {
+        return SafeCast.toInt176(maxInt176 + number);
+    }
+
+    function toInt168(int256 number) public view returns (int168) {
+        return SafeCast.toInt168(maxInt168 + number);
+    }
+
+    function toInt160(int256 number) public view returns (int160) {
+        return SafeCast.toInt160(maxInt160 + number);
+    }
+
+    function toInt152(int256 number) public view returns (int152) {
+        return SafeCast.toInt152(maxInt152 + number);
+    }
+
+    function toInt144(int256 number) public view returns (int144) {
+        return SafeCast.toInt144(maxInt144 + number);
+    }
+
+    function toInt136(int256 number) public view returns (int136) {
+        return SafeCast.toInt136(maxInt136 + number);
+    }
+
+    function toInt128(int256 number) public view returns (int128) {
+        return SafeCast.toInt128(maxInt128 + number);
+    }
+
+    function toInt120(int256 number) public view returns (int120) {
+        return SafeCast.toInt120(maxInt120 + number);
+    }
+
+    function toInt112(int256 number) public view returns (int112) {
+        return SafeCast.toInt112(maxInt112 + number);
+    }
+
+    function toInt104(int256 number) public view returns (int104) {
+        return SafeCast.toInt104(maxInt104 + number);
+    }
+
+    function toInt96(int256 number) public view returns (int96) {
+        return SafeCast.toInt96(maxInt96 + number);
+    }
+
+    function toInt88(int256 number) public view returns (int88) {
+        return SafeCast.toInt88(maxInt88 + number);
+    }
+
+    function toInt80(int256 number) public view returns (int80) {
+        return SafeCast.toInt80(maxInt80 + number);
+    }
+
+    function toInt72(int256 number) public view returns (int72) {
+        return SafeCast.toInt72(maxInt72 + number);
+    }
+
+    function toInt64(int256 number) public view returns (int64) {
+        return SafeCast.toInt64(maxInt64 + number);
+    }
+
+    function toInt56(int256 number) public view returns (int56) {
+        return SafeCast.toInt56(maxInt56 + number);
+    }
+
+    function toInt48(int256 number) public view returns (int48) {
+        return SafeCast.toInt48(maxInt48 + number);
+    }
+
+    function toInt40(int256 number) public view returns (int40) {
+        return SafeCast.toInt40(maxInt40 + number);
+    }
+
+    function toInt32(int256 number) public view returns (int32) {
+        return SafeCast.toInt32(maxInt32 + number);
+    }
+
+    function toInt24(int256 number) public view returns (int24) {
+        return SafeCast.toInt24(maxInt24 + number);
+    }
+
+    function toInt16(int256 number) public view returns (int16) {
+        return SafeCast.toInt16(maxInt16 + number);
+    }
+
+    function toInt8(int256 number) public view returns (int8) {
+        return SafeCast.toInt8(maxInt8 + number);
+    }
+
+    function toInt256(uint256 number) public view returns (int256) {
+        return SafeCast.toInt256(uint256(maxInt256) + number);
+    }
+}
diff --git a/test/solidity/oz/safeCast/safeCast.js b/test/solidity/oz/safeCast/safeCast.js
new file mode 100644
index 000000000..26399da84
--- /dev/null
+++ b/test/solidity/oz/safeCast/safeCast.js
@@ -0,0 +1,125 @@
+/*-
+ *
+ * Hedera Smart Contracts
+ *
+ * Copyright (C) 2023 Hedera Hashgraph, LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+const { expect } = require('chai')
+const { ethers } = require('hardhat')
+
+describe('@OZSafeCast Tests', function () {
+    let contract
+
+    const SAFE_CAST_OVERLOW_UINT = 'SafeCastOverflowedUintDowncast'
+    const SAFE_CAST_OVERLOW_INT = 'SafeCastOverflowedIntDowncast'
+    const SAFE_CATS_OVERLOW_UINT_TO_INT = 'SafeCastOverflowedUintToInt'
+    const SAFE_CATS_OVERLOW_INT_TO_UINT = 'SafeCastOverflowedIntToUint'
+
+    const conversions = [
+        { func: 'toUint256', error: SAFE_CATS_OVERLOW_INT_TO_UINT },
+        { func: 'toUint248', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint240', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint232', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint224', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint216', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint208', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint200', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint192', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint184', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint176', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint168', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint160', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint152', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint144', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint136', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint128', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint120', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint112', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint104', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint96', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint88', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint80', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint72', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint64', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint56', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint48', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint40', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint32', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint24', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint16', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toUint8', error: SAFE_CAST_OVERLOW_UINT },
+        { func: 'toInt256', error: SAFE_CATS_OVERLOW_UINT_TO_INT },
+        { func: 'toInt248', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt240', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt232', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt224', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt216', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt208', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt200', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt192', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt184', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt176', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt168', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt160', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt152', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt144', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt136', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt128', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt120', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt112', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt104', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt96', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt88', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt80', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt72', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt64', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt56', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt48', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt40', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt32', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt24', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt16', error: SAFE_CAST_OVERLOW_INT },
+        { func: 'toInt8', error: SAFE_CAST_OVERLOW_INT },
+    ];
+
+    before(async function () {
+        const factory = await ethers.getContractFactory('SafeCastTest')
+        contract = await factory.deploy({
+            gasLimit: 10000000
+        })
+        await contract.deployed()
+    })
+
+    it('should deploy contract', async function () {
+        const deployed = await contract.deployed()
+
+        expect(deployed).to.exist
+    })
+
+    for (const { func, error } of conversions) {
+        it(`should return correct value and revert for: "${func}"`, async function () {
+            const res = await contract[func](0)
+            expect(res).to.exist
+            const revertVal = func === 'toUint256' ? -1 : 1
+
+            await expect(contract[func](revertVal)).to.eventually.be.rejected.and.have.property(
+                'errorName',
+                error
+            )
+        });
+    }
+})