@quarix/eip712
v0.3.22
Published
EIP712 transaction creator for EVMOS.
Downloads
12
Readme
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"
}
}