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    @evmos/eip712
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    0.2.10 • Public • Published

    EIP712

    EIP712 transactions creator.

    Installation

    • yarn add @evmos/evmosjs

    Example

    • MsgSend:
    import {
      createEIP712,
      generateFee,
      generateMessage,
      generateTypes,
      createMsgSend,
      MSG_SEND_TYPES,
    } from '@evmos/evmosjs/packages/eip712'
    
    let fee = generateFee(
      '20',
      'aphoton',
      '20000',
      'ethm1tfegf50n5xl0hd5cxfzjca3ylsfpg0fned5gqm',
    )
    let types = generateTypes(MSG_SEND_TYPES)
    let msg = createMsgSend(
      '1',
      'aphoton',
      'ethm1tfegf50n5xl0hd5cxfzjca3ylsfpg0fned5gqm',
      'ethm1tfegf50n5xl0hd5cxfzjca3ylsfpg0fned5gqm',
    )
    let messages = generateMessage('9', '0', 'ethermint_9000-1', '', fee, msg)
    let complete = createEIP712(types, 9000, messages)
    console.log(complete)
    {
      "types": {
        "EIP712Domain": [
          {
            "name": "name",
            "type": "string"
          },
          {
            "name": "version",
            "type": "string"
          },
          {
            "name": "chainId",
            "type": "uint256"
          },
          {
            "name": "verifyingContract",
            "type": "string"
          },
          {
            "name": "salt",
            "type": "string"
          }
        ],
        "Tx": [
          {
            "name": "account_number",
            "type": "string"
          },
          {
            "name": "chain_id",
            "type": "string"
          },
          {
            "name": "fee",
            "type": "Fee"
          },
          {
            "name": "memo",
            "type": "string"
          },
          {
            "name": "msgs",
            "type": "Msg[]"
          },
          {
            "name": "sequence",
            "type": "string"
          }
        ],
        "Fee": [
          {
            "name": "feePayer",
            "type": "string"
          },
          {
            "name": "amount",
            "type": "Coin[]"
          },
          {
            "name": "gas",
            "type": "string"
          }
        ],
        "Coin": [
          {
            "name": "denom",
            "type": "string"
          },
          {
            "name": "amount",
            "type": "string"
          }
        ],
        "Msg": [
          {
            "name": "type",
            "type": "string"
          },
          {
            "name": "value",
            "type": "MsgValue"
          }
        ],
        "MsgValue": [
          {
            "name": "from_address",
            "type": "string"
          },
          {
            "name": "to_address",
            "type": "string"
          },
          {
            "name": "amount",
            "type": "TypeAmount[]"
          }
        ],
        "TypeAmount": [
          {
            "name": "denom",
            "type": "string"
          },
          {
            "name": "amount",
            "type": "string"
          }
        ]
      },
      "primaryType": "Tx",
      "domain": {
        "name": "Cosmos Web3",
        "version": "1.0.0",
        "chainId": 9000,
        "verifyingContract": "cosmos",
        "salt": "0"
      },
      "message": {
        "account_number": "9",
        "chain_id": "ethermint_9000-1",
        "fee": {
          "amount": [
            {
              "amount": "20",
              "denom": "aphoton"
            }
          ],
          "gas": "20000",
          "feePayer": "ethm1tfegf50n5xl0hd5cxfzjca3ylsfpg0fned5gqm"
        },
        "memo": "",
        "msgs": [
          {
            "type": "cosmos-sdk/MsgSend",
            "value": {
              "amount": [
                {
                  "amount": "1",
                  "denom": "aphoton"
                }
              ],
              "from_address": "ethm1tfegf50n5xl0hd5cxfzjca3ylsfpg0fned5gqm",
              "to_address": "ethm1tfegf50n5xl0hd5cxfzjca3ylsfpg0fned5gqm"
            }
          }
        ],
        "sequence": "0"
      }
    }

    Keywords

    none

    Install

    npm i @evmos/eip712

    DownloadsWeekly Downloads

    250

    Version

    0.2.10

    License

    MIT

    Unpacked Size

    97.6 kB

    Total Files

    83

    Last publish

    Collaborators

    • tharsis-admin
    • hanchon