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Tezos (XTZ & XTZ_FA)

Sign Transaction
The D'CENT Web SDK provides functions for signing transaction of coins.
getTezosSignedTransaction()
Supported Coin Type
TEZOS (XTZ)
TEZOS Token (XTZ_FA)
Parameters 
unsignedTx: unsigned hexadecimal tx Tezos Docs​
path: key path, wallet sign with that private key with a given key path (BIP32 ex) "m/44'/1729'/0'/0/0").
fee: fee, It is fee that wallet displays on the screen.
symbol: symbol, It is a symbol that the wallet displays on the screen.
decimals: tezos or tezos token's decimals.
Requirements
D'CENT Bridge version 1.5.0 or higher is required.
D'CENT Biometric Wallet version 2.24.1 or higher is required.
Useage 
import { TezosToolkit, Estimate } from '@taquito/taquito'
import * as tezosUtils from '@taquito/utils'
import { Tzip12Module, tzip12 } from '@taquito/tzip12'
import BigNumber from 'bignumber.js'
​
const Tezos = new TezosToolkit('https://YOUR_PREFERRED_RPC_URL');
const TezosContext = Tezos._context
​
// https://github.com/ecadlabs/taquito/blob/3640373e5acd160767234e10bab4fe18ac3cb586/packages/taquito/src/prepare/prepare-provider.ts#L868
​
const BlockHash = await TezosContext.readProvider.getBlockHash('head~2')
const BlockProto = await TezosContext.readProvider.getNextProtocol('head')
const counter = Number(await TezosContext.readProvider.getCounter(account.recvAddress, 'head'))
​
let ops = []
ops.push({
    kind: 'transaction',
    fee,
    amount: DcentWebConnector.unitConverter(amount, decimals).num.toString(),
    gas_limit,
    storage_limit,
    destination: toAddr,
    counter: (counter + 1 + index).toString(),
    source: recvAddress,
})
​
const prepared = {
    opOb: {
      branch: BlockHash,
      contents: ops,
      protocol: BlockProto
    },
    counter: counter
  }
const forgedBytes = await Tezos.estimate.forge(prepared)
​
const sigHash = '03' + forgedBytes.opbytes
​
const transactionJson = {
    coinType: DcentWebConnector.coinType.TEZOS,
    sigHash: sigHash,
    path: `m/44'/1729'/0'/0/0`,
    decimals, // 6,
    fee: fee,
    symbol: 'XTZ',
}
​
var result
try {
    result = await DcentWebConnector.getTezosSignedTransaction(transactionJson);  
} catch (e) {
    console.log(e)
    result = e
}
Returned response object
{
    "header": {
        "version": "1.0",
        "response_from": "tezos",
        "status": "success"
    },
    "body": {
        "command": "transaction",
        "parameter": {
            "signed_tx": "0x31aa13b5e04cb6fc6381ea0520bf7f6727ebdb6e96cd7ca8625bb3e3dd36cf0e2cee4ece13aa9f7ddc09ee10c74aa00af954201829d8016317f10f5a921dcc0d"
        }
    }
}
Stellar
Vechain
Last modified 6mo ago