배포된 컨트랙트 (테스트넷)

OKRW — 네이티브 코인

import {IOkrw, OkrwParams} from "@maroo-chain/contracts/precompiles/okrw/IOkrw.sol";

// OKRW는 네이티브 코인으로 이동합니다. 토큰 컨트랙트를 거치지 않습니다.
function pay(address payable to) external payable {
    (bool ok, ) = to.call{value: msg.value}("");
    require(ok, "OKRW transfer failed");
}

// 프리컴파일의 조회 기능: 발행 권한자와 네이티브 denom 문자열을 돌려줍니다.
function okrwParams() external view returns (address minter, string memory mintDenom) {
    OkrwParams memory p = IOkrw(0x1000000000000000000000000000000000000001).getParams();
    return (p.minter, p.mintDenom);
}

마루 프리컴파일

export const ADDR = {
  OKRW_PRECOMPILE: "0x1000000000000000000000000000000000000001",
  PCL:             "0x1000000000000000000000000000000000000005",
  EAS_PRECOMPILE:  "0x1000000000000000000000000000000000000009",
  AGENT:           "0x100000000000000000000000000000000000000A",
  PRIVACY:         "0x100000000000000000000000000000000000000b",
  // ERC-8004 IdentityRegistry preinstall
  ERC8004_IDENTITY:"0x8004000000000000000000000000000000000001",
} as const;

EAS와 ERC-8004 preinstall

import { createPublicClient, http } from "viem";

const EAS_PRECOMPILE = "0x1000000000000000000000000000000000000009";
const easAbi = [{
  name: "getParams", type: "function", stateMutability: "view",
  inputs: [],
  outputs: [{ type: "tuple", components: [
    { name: "schemaRegistry", type: "address" },
    { name: "eas",            type: "address" },
    { name: "indexer",        type: "address" },
  ]}],
}] as const;

const client = createPublicClient({ transport: http("https://rpc-testnet.maroo.io") });
const { eas, indexer, schemaRegistry } = await client.readContract({
  address: EAS_PRECOMPILE,
  abi: easAbi,
  functionName: "getParams",
});

ABI 가져오기

// npm install @maroo-chain/contracts viem
import { createPublicClient, getContract, http } from "viem";
import { iPclAbi } from "@maroo-chain/contracts/abi/precompiles/pcl/IPcl";

const client = createPublicClient({ transport: http("https://rpc-testnet.maroo.io") });
const pcl = getContract({ address: "0x1000000000000000000000000000000000000005", abi: iPclAbi, client });
const admin = await pcl.read.policyAdmin();

Foundry remapping

@maroo-chain/contracts/=node_modules/@maroo-chain/contracts/
cosmos-evm-contracts/=node_modules/cosmos-evm-contracts/

범용 유틸리티

계정 추상화(ERC-4337, EIP-7702)

상속된 EVM 프리컴파일

마무리