erc20_payment_lib 0.5.1

Payment processor for ERC20 tokens
Documentation 
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[
  {
    "anonymous": false,
    "inputs": [
      {
        "indexed": false,
        "internalType": "address",
        "name": "userAddress",
        "type": "address"
      },
      {
        "indexed": false,
        "internalType": "address payable",
        "name": "relayerAddress",
        "type": "address"
      },
      {
        "indexed": false,
        "internalType": "bytes",
        "name": "functionSignature",
        "type": "bytes"
      }
    ],
    "name": "MetaTransactionExecuted",
    "type": "event"
  },

  {
    "inputs": [
      { "internalType": "address", "name": "userAddress", "type": "address" },
      { "internalType": "bytes", "name": "functionSignature", "type": "bytes" },
      { "internalType": "bytes32", "name": "sigR", "type": "bytes32" },
      { "internalType": "bytes32", "name": "sigS", "type": "bytes32" },
      { "internalType": "uint8", "name": "sigV", "type": "uint8" }
    ],
    "name": "executeMetaTransaction",
    "outputs": [{ "internalType": "bytes", "name": "", "type": "bytes" }],
    "stateMutability": "payable",
    "type": "function"
  },

  {
    "inputs": [
      { "internalType": "address", "name": "user", "type": "address" }
    ],
    "name": "getNonce",
    "outputs": [
      { "internalType": "uint256", "name": "nonce", "type": "uint256" }
    ],
    "stateMutability": "view",
    "type": "function"
  }
]