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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/micro-eth-signer/src/contracts

Просмотр файла: erc20.ts

import * as abi from '../web3.js';
import { addHints } from './common.js';
import * as P from 'micro-packed';
const decimal = P.coders.decimal;

// prettier-ignore
export const ERC20ABI = [
  {type:"function",name:"name",outputs:[{type:"string"}]},{type:"function",name:"totalSupply",outputs:[{type:"uint256"}]},{type:"function",name:"decimals",outputs:[{type:"uint8"}]},{type:"function",name:"symbol",outputs:[{type:"string"}]},{type:"function",name:"approve",inputs:[{name:"spender",type:"address"},{name:"value",type:"uint256"}],outputs:[{name:"success",type:"bool"}]},{type:"function",name:"transferFrom",inputs:[{name:"from",type:"address"},{name:"to",type:"address"},{name:"value",type:"uint256"}],outputs:[{name:"success",type:"bool"}]},{type:"function",name:"balances",inputs:[{type:"address"}],outputs:[{type:"uint256"}]},{type:"function",name:"allowed",inputs:[{type:"address"},{type:"address"}],outputs:[{type:"uint256"}]},{type:"function",name:"balanceOf",inputs:[{name:"owner",type:"address"}],outputs:[{name:"balance",type:"uint256"}]},{type:"function",name:"transfer",inputs:[{name:"to",type:"address"},{name:"value",type:"uint256"}],outputs:[{name:"success",type:"bool"}]},{type:"function",name:"allowance",inputs:[{name:"owner",type:"address"},{name:"spender",type:"address"}],outputs:[{name:"remaining",type:"uint256"}]},{name:"Approval",type:"event",anonymous:false,inputs:[{indexed:true,name:"owner",type:"address"},{indexed:true,name:"spender",type:"address"},{indexed:false,name:"value",type:"uint256"}]},{name:"Transfer",type:"event",anonymous:false,inputs:[{indexed:true,name:"from",type:"address"},{indexed:true,name:"to",type:"address"},{indexed:false,name:"value",type:"uint256"}]}
] as const;

// https://eips.ethereum.org/EIPS/eip-20
export const hints = {
  approve(v: any, opt: abi.HintOpt) {
    if (!opt.contractInfo || !opt.contractInfo.decimals || !opt.contractInfo.symbol)
      throw new Error('Not enough info');
    return `Allow spending ${decimal(opt.contractInfo.decimals).encode(v.value)} ${
      opt.contractInfo.symbol
    } by ${v.spender}`;
  },

  transferFrom(v: any, opt: abi.HintOpt) {
    if (!opt.contractInfo || !opt.contractInfo.decimals || !opt.contractInfo.symbol)
      throw new Error('Not enough info');
    return `Transfer ${decimal(opt.contractInfo.decimals).encode(v.value)} ${
      opt.contractInfo.symbol
    } from ${v.from} to ${v.to}`;
  },

  transfer(v: any, opt: abi.HintOpt) {
    if (!opt.contractInfo || !opt.contractInfo.decimals || !opt.contractInfo.symbol)
      throw new Error('Not enough info');
    return `Transfer ${decimal(opt.contractInfo.decimals).encode(v.value)} ${
      opt.contractInfo.symbol
    } to ${v.to}`;
  },
  Approval(v: any, opt: abi.HintOpt) {
    if (!opt.contractInfo || !opt.contractInfo.decimals || !opt.contractInfo.symbol)
      throw new Error('Not enough info');
    return `Allow ${v.spender} spending up to ${decimal(opt.contractInfo.decimals).encode(
      v.value
    )} ${opt.contractInfo.symbol} from ${v.owner}`;
  },
  Transfer(v: any, opt: abi.HintOpt) {
    if (!opt.contractInfo || !opt.contractInfo.decimals || !opt.contractInfo.symbol)
      throw new Error('Not enough info');
    return `Transfer ${decimal(opt.contractInfo.decimals).encode(v.value)} ${
      opt.contractInfo.symbol
    } from ${v.from} to ${v.to}`;
  },
};
addHints(ERC20ABI, hints);
export default ERC20ABI;

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