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An example in JavaScript of Pact's coin.transfer. Requires dotenv setup with SENDER_NAME, SENDER_PUBKEY, and SENDER_SECRET_KEY
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| const HELP = "Usage example: \n\nnode transfer.js receiver amount"; | |
| const Pact = require("pact-lang-api"); | |
| require("dotenv").config(); | |
| const NETWORK_ID = "testnet04"; | |
| const CHAIN_ID = "1"; | |
| const API_HOST = `https://api.testnet.chainweb.com/chainweb/0.0/${NETWORK_ID}/chain/${CHAIN_ID}/pact`; | |
| const KEY_PAIR = { | |
| publicKey: process.env.SENDER_PUBKEY, | |
| secretKey: process.env.SENDER_SECRET_KEY, | |
| }; | |
| const creationTime = () => Math.round(new Date().getTime() / 1000 - 15); | |
| if (process.argv.length !== 4) { | |
| console.info(HELP); | |
| process.exit(1); | |
| } | |
| if (KEY_PAIR.publicKey === "" || KEY_PAIR.secretKey === "") { | |
| console.error("Please set a key pair"); | |
| process.exit(1); | |
| } | |
| transferCreate(process.env.SENDER_NAME, process.argv[2], process.argv[3]); | |
| async function transferCreate(sender, receiver, amount) { | |
| const cmd = { | |
| networkId: NETWORK_ID, | |
| keyPairs: [ | |
| Object.assign(KEY_PAIR, { | |
| clist: [ | |
| Pact.lang.mkCap( | |
| "GAS", | |
| "Capability to allow buying gas", | |
| "coin.GAS", | |
| [] | |
| ).cap, | |
| Pact.lang.mkCap( | |
| "Transfer", | |
| "Capability to allow coin transfer", | |
| "coin.TRANSFER", | |
| [sender, receiver, { decimal: amount }] | |
| ).cap, | |
| ], | |
| }), | |
| ], | |
| pactCode: `(coin.transfer "${sender}" "${receiver}" ${amount})`, | |
| envData: {}, | |
| meta: { | |
| creationTime: creationTime(), | |
| ttl: 28000, | |
| gasLimit: 800, | |
| chainId: CHAIN_ID, | |
| gasPrice: 0.0000001, | |
| sender: sender, | |
| }, | |
| }; | |
| const response = await Pact.fetch.send(cmd, API_HOST); | |
| //console.log(response); | |
| console.log(`Request key: ${response.requestKeys[0]}`); | |
| console.log("Transaction pending..."); | |
| const txResult = await Pact.fetch.listen( | |
| { listen: response.requestKeys[0] }, | |
| API_HOST | |
| ); | |
| console.log("Transaction mined!"); | |
| console.log(txResult); | |
| } | |
| if (KEY_PAIR.publicKey === "" || KEY_PAIR.secretKey === "") { | |
| console.error("Please set a key pair"); | |
| process.exit(1); | |
| } | |
| transferCreate(process.env.FIRST_ACCT_NAME, process.argv[2], process.argv[3]); | |
| async function transferCreate(sender, receiver, amount) { | |
| const cmd = { | |
| networkId: NETWORK_ID, | |
| keyPairs: [ | |
| Object.assign(KEY_PAIR, { | |
| clist: [ | |
| Pact.lang.mkCap( | |
| "GAS", | |
| "Capability to allow buying gas", | |
| "coin.GAS", | |
| [] | |
| ).cap, | |
| Pact.lang.mkCap( | |
| "Transfer", | |
| "Capability to allow coin transfer", | |
| "coin.TRANSFER", | |
| [sender, receiver, { decimal: amount }] | |
| ).cap, | |
| ], | |
| }), | |
| ], | |
| pactCode: `(coin.transfer "${sender}" "${newAccount}" ${amount})`, | |
| envData: {}, | |
| meta: { | |
| creationTime: creationTime(), | |
| ttl: 28000, | |
| gasLimit: 800, | |
| chainId: CHAIN_ID, | |
| gasPrice: 0.0000001, | |
| sender: sender, | |
| }, | |
| }; | |
| const response = await Pact.fetch.send(cmd, API_HOST); | |
| //console.log(response); | |
| console.log(`Request key: ${response.requestKeys[0]}`); | |
| console.log("Transaction pending..."); | |
| const txResult = await Pact.fetch.listen( | |
| { listen: response.requestKeys[0] }, | |
| API_HOST | |
| ); | |
| console.log("Transaction mined!"); | |
| console.log(txResult); | |
| } |
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