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Zilliqa-JavaScript-Library/examples/node/walletSign.js at v2.2.0 · javascriptit/Zilliqa-JavaScript-Library · GitHub
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Zilliqa-JavaScript-Library
/
examples
/
node
/
walletSign.js
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92 lines (82 loc) · 2.7 KB
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Zilliqa-JavaScript-Library
/
examples
/
node
/
walletSign.js
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const
{
BN
,
Long
,
bytes
,
units
}
=
require
(
'@zilliqa-js/util'
)
;
const
{
Zilliqa
}
=
require
(
'@zilliqa-js/zilliqa'
)
;
const
{
getAddressFromPrivateKey
}
=
require
(
'@zilliqa-js/crypto'
)
;
const
zilliqa
=
new
Zilliqa
(
'https://dev-api.zilliqa.com'
)
;
const
chainId
=
333
;
// chainId of the developer testnet
const
msgVersion
=
1
;
// current msgVersion
const
VERSION
=
bytes
.
pack
(
chainId
,
msgVersion
)
;
const
myGasPrice
=
units
.
toQa
(
'2000'
,
units
.
Units
.
Li
)
;
// Populate the wallet with an account
const
privateKey
=
'3375F915F3F9AE35E6B301B7670F53AD1A5BE15D8221EC7FD5E503F21D3450C8'
;
zilliqa
.
wallet
.
addByPrivateKey
(
privateKey
)
;
/**
*
* wallet.sign(tx)
*
* example of "online" signing, nonce is NOT REQUIRED in the Transaction obj
* nonce is automatically computed inteernally with GetBalance
*
*/
async
function
onlineSign
(
)
{
try
{
console
.
log
(
'Online signing with balance check...\n'
)
;
const
address
=
getAddressFromPrivateKey
(
privateKey
)
;
const
balance
=
await
zilliqa
.
blockchain
.
getBalance
(
address
)
;
console
.
log
(
'current nonce is: %o'
,
balance
.
result
.
nonce
)
;
const
tx
=
zilliqa
.
transactions
.
new
(
{
version
:
VERSION
,
toAddr
:
'0xA54E49719267E8312510D7b78598ceF16ff127CE'
,
amount
:
new
BN
(
units
.
toQa
(
'1'
,
units
.
Units
.
Zil
)
)
,
gasPrice
:
myGasPrice
,
gasLimit
:
Long
.
fromNumber
(
1
)
,
}
,
false
,
)
;
const
result
=
await
zilliqa
.
wallet
.
sign
(
tx
)
;
console
.
log
(
result
)
;
console
.
log
(
'txn nonce: %o'
,
result
.
nonce
)
;
console
.
log
(
'txn signature: %o'
,
result
.
signature
)
;
}
catch
(
err
)
{
console
.
log
(
err
)
;
}
}
/**
*
* wallet.sign(tx, true)
* explicit 'true' flag implies offline mode which skips balance checks
*
* example of "offline" signing, nonce is REQUIRED in the Transaction obj
* nonce MUST BE SUPPLIED
*
*/
async
function
offlineSign
(
)
{
try
{
console
.
log
(
'Offline signing...\n'
)
;
// const address = getAddressFromPrivateKey(privateKey);
// const balance = await zilliqa.blockchain.getBalance(address);
// console.log('current nonce is: %o', balance.result.nonce);
// nonce must be EXPLICITLY DEFINED when flag is 'true'
const
tx
=
zilliqa
.
transactions
.
new
(
{
version
:
VERSION
,
nonce
:
9999
,
toAddr
:
'0xA54E49719267E8312510D7b78598ceF16ff127CE'
,
amount
:
new
BN
(
units
.
toQa
(
'1'
,
units
.
Units
.
Zil
)
)
,
gasPrice
:
myGasPrice
,
gasLimit
:
Long
.
fromNumber
(
1
)
,
}
,
false
,
)
;
const
result
=
await
zilliqa
.
wallet
.
sign
(
tx
,
true
)
;
console
.
log
(
result
)
;
console
.
log
(
'txn nonce: %o'
,
result
.
nonce
)
;
console
.
log
(
'txn signature: %o'
,
result
.
signature
)
;
}
catch
(
err
)
{
console
.
log
(
err
)
;
}
}
// comment on/off as desired
// onlineSign();
offlineSign
(
)
;
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