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@cgcardona
Created October 20, 2023 17:41
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Run via: `ts-node examples/avm/buildBaseTx-avax.ts`
import { Avalanche, BN, Buffer } from "avalanche/dist"
import {
AVMAPI,
KeyChain,
UTXOSet,
UnsignedTx,
Tx
} from "avalanche/dist/apis/avm"
import {
GetBalanceResponse,
GetUTXOsResponse
} from "avalanche/dist/apis/avm/interfaces"
import { Defaults } from "avalanche/dist/utils"
import {
PrivateKeyPrefix,
DefaultLocalGenesisPrivateKey,
UnixNow
} from "avalanche/dist/utils"
const ip: string = "api.avax-test.network/ext/bc/X"
const port: number = 443
const protocol: string = "https"
const networkID: number = 5
const xBlockchainID: string = Defaults.network[networkID].X.blockchainID
const avaxAssetID = Defaults.network[networkID].X.avaxAssetID as string
const avalanche: Avalanche = new Avalanche(
ip,
port,
protocol,
networkID,
xBlockchainID
)
const xchain: AVMAPI = avalanche.XChain()
const xKeychain: KeyChain = xchain.keyChain()
const privKey: string = `${PrivateKeyPrefix}${DefaultLocalGenesisPrivateKey}`
xKeychain.importKey(privKey)
const xAddressStrings: string[] = xchain.keyChain().getAddressStrings()
const asOf: BN = UnixNow()
const threshold: number = 1
const locktime: BN = new BN(0)
const memo: Buffer = Buffer.from("AVM utility method buildBaseTx to send AVAX")
const fee: BN = xchain.getDefaultTxFee()
const main = async (): Promise<any> => {
const getBalanceResponse: GetBalanceResponse = await xchain.getBalance(
xAddressStrings[0],
avaxAssetID
)
const balance: BN = new BN(getBalanceResponse.balance)
const avmUTXOResponse: GetUTXOsResponse = await xchain.getUTXOs(
xAddressStrings
)
const utxoSet: UTXOSet = avmUTXOResponse.utxos
const amount: BN = balance.sub(fee)
const unsignedTx: UnsignedTx = await xchain.buildBaseTx(
utxoSet,
amount,
avaxAssetID,
xAddressStrings,
xAddressStrings,
xAddressStrings,
memo,
asOf,
locktime,
threshold
)
const tx: Tx = unsignedTx.sign(xKeychain)
const txid: string = await xchain.issueTx(tx)
console.log(`Success! TXID: ${txid}`)
}
main()
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