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\n\n \n \n \n\n
\n\n[Go to top](#../../README.md)\n\n# @atomic-port/evm\n\nThis package is for HTLC transactions between the any blockchains. HTLC allows direct transactions between different chains. Usage and examples are shown below.\n\n \n\n## Test is now open to the public.\n\nTransactions on each chain in this library are currently available only on the testnet.\nIf you wish to use it in a production environment, please change the network and other parameters.\n\n### Deployed Contracts\n\n#### Sepolia （TestNet）\n\n##### native\n\n- Endpoint: https://sepolia.infura.io/v3/85eb73cb20fc46058b5044657ed33efd\n- Contract address: 0x549DEC2d00C3db272F337Ac4874503Ecf5205955\n\n##### ERC20\n\n- Endpoint: https://sepolia.infura.io/v3/85eb73cb20fc46058b5044657ed33efd\n- Contract address: 0xbD674927a77f4Ca6f01Ac470A33747E060C3Ccd0\n\n##### ERC721\n\n- Endpoint: https://sepolia.infura.io/v3/85eb73cb20fc46058b5044657ed33efd\n- Contract address: 0x4Bf07078493464447732B2a23126697b1C85DF9F\n\n#### Rinkeby （TestNet）\n\n##### native\n\n- Endpoint: https://rpc.ankr.com/eth_rinkeby\n- Contract address: 0x97ED40C207bf3B6dE4DB27E37E1989f3756E71f4\n\n##### ERC20\n\n- Endpoint: https://rpc.ankr.com/eth_rinkeby\n- Contract address: 0x5F30A927063AA056Ee8BA93Be1175f7485c89Cac\n\n##### ERC721\n\n- Endpoint: https://rpc.ankr.com/eth_rinkeby\n- Contract address: 0x3b1B7AB12c115148B4bbe14E8327Da6c1DfD70cd\n\n#### Matic （TestNet）\n\n##### native\n\n- Endpoint: https://rpc-mumbai.maticvigil.com\n- Contract address: 0x6003028E5C3FB11c5F002902dDa1E18cF6a5D34B\n\n##### ERC20\n\n- Endpoint: https://rpc-mumbai.maticvigil.com\n- Contract address: 0xa66ffa7b45d9138e6A93bBa1f29a580bd559E5cC\n\n##### ERC721\n\n- Endpoint: https://rpc-mumbai.maticvigil.com\n- Contract address: 0x6003028E5C3FB11c5F002902dDa1E18cF6a5D34B\n\n \n\n## Introduction\n\nInstall the necessary libraries\n\n**npm**\n\n```\nnpm install --save web3 @atomic-port/evm\n```\n\n**yarn**\n\n```\nyarn add web3 @atomic-port/evm\n```\n\nHTLC issues a secret and key in advance and uses this to issue a secret lock.\nWhen both parties agree to the transaction, the secret and key are exchanged separately, and the key is used to receive a token. This is how the cross-chain swap is performed.\n\n \n\n## Issue a secret lock\n\nYou can publish using this package with the following operations.\nThe output hashPair contains a secret and a proof. The secret is shared in advance, and the proof is issued at a mutually agreed timing.\n\n[native/lock.ts](../../examples/evm/src/native/lock.ts) \n[erc20/lock.ts](../../examples/evm/src/erc20/lock.ts) \n[erc721/lock.ts](../../examples/evm/src/erc721/lock.ts) \n[erc20JPYC/lock.ts](../../examples/evm/src/erc20JPYC/lock.ts) \n[erc20Polygon/lock.ts](../../examples/evm/src/erc20Polygon/lock.ts) \n\n \n\n## Unlocking by Proof\n\nWith a secret lock, locked assets are withdrawn through a secret proof transaction.\n\n[native/withDraw.ts](../../examples/evm/src/native/withDraw.ts) \n[erc20/withDraw.ts](../../examples/evm/src/erc20/withDraw.ts) \n[erc721/withDraw.ts](../../examples/evm/src/erc721/withDraw.ts) \n[erc20JPYC/withDraw.ts](../../examples/evm/src/erc20JPYC/withDraw.ts) \n[erc20Polygon/lock.ts](../../examples/evm/src/erc20Polygon/withDraw.ts) \n\n \n\nFor more detailed examples, please check the sample collection below\n[examples](examples/README.md)\n\n \n\n## More Documents\n\n- [about ethereum](https://ethereum.org/)\n","readmeFilename":"README.md"}
![\"logo\"](\"https://user-images.githubusercontent.com/47295014/218366194-eee5969d-3c4c-4445-9303-5368c66aac9a.png\")
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