caver.transaction

caver.transaction는 트랜잭션 관련 기능을 제공하는 패키지입니다.

Class

각 트랜잭션 클래스에 대한 자세한 설명이 있습니다:

	Basic	Fee Delegation	Partial Fee Delegation
LegacyTransaction	LegacyTransaction	N/A	N/A
ValueTransfer	ValueTransfer	FeeDelegatedValueTransfer	FeeDelegatedValueTransferWithRatio
ValueTransferMemo	ValueTransferMemo	FeeDelegatedValueTransferMemo	FeeDelegatedValueTransferMemoWithRatio
SmartContractDeploy	SmartContractDeploy	FeeDelegatedSmartContractDeploy	FeeDelegatedSmartContractDeployWithRatio
SmartContractExecution	SmartContractExecution	FeeDelegatedSmartContractExecution	FeeDelegatedSmartContractExecutionWithRatio
AccountUpdate	AccountUpdate	FeeDelegatedAccountUpdate	FeeDelegatedAccountUpdateWithRatio
Cancel	Cancel	FeeDelegatedCancel	FeeDelegatedCancelWithRatio
ChainDataAnchoring	ChainDataAnchoring	FeeDelegatedChainDataAnchoring	FeeDelegatedChainDataAnchoringWithRatio
EthereumAccessList	EthereumAccessList	N/A	N/A
EthereumDynamicFee	EthereumDynamicFee	N/A	N/A

caver.transaction.decode

caver.transaction.decode(rlpEncoded)

Decodes RLP-encoded transaction string, a raw transaction, and returns a Transaction instance.

Parameters

Name	Type	Description
rlpEncoded	string	디코딩할 RLP 인코딩된 트랜잭션 문자열입니다.

Return Value

Type	Description
object	An instance of Transaction. For details of each transaction, refer to Transaction.

Example

> caver.transaction.decode('0x08f87...')
ValueTransfer {
    _type: 'TxTypeValueTransfer',
    _from: '0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b',
    _gas: '0xf4240',
    _nonce: '0x4d2',
    _gasPrice: '0x19',
    _signatures: [ 
        SignatureData { _v: '0x25', _r: '0xf3d0c...', _s: '0x6748a...' }
    ],
    _to: '0x7b65b75d204abed71587c9e519a89277766ee1d0',
    _value: '0xa'
}

caver.transaction.getTransactionByHash

caver.transaction.getTransactionByHash('0x{transaction hash}')

Queries a transaction from Klaytn and converts to a caver transaction instance.

NOTE caver.transaction.getTransactionByHash is supported since caver-js v1.6.3.

Parameters

Name	Type	Description
transactionHash	string	The transaction hash string to query from Klaytn.

Return Value

Promise returning object: An instance of Transaction. If it fails to receive a transaction object from Klaytn, an error occurs.

Type	Description
object	An instance of Transaction. For details of each transaction, refer to Transaction.

Example

> caver.transaction.getTransactionByHash('0x30575f5a76a4477502aa1e5e707e47f05b92c3450132529cf55764cc94f780b0').then(console.log)
LegacyTransaction {
  _type: 'TxTypeLegacyTransaction',
  _from: '0x9ce618d097ea54c00d1562cb060576ff64139f10',
  _gas: '0x81b320',
  _nonce: '0x1de',
  _gasPrice: '0x5d21dba00',
  _signatures: SignatureData {
    _v: '0x07f5',
    _r: '0x359a09ebd2842cfc9cad6fd93c299da8629292bb3a69410c73837f7ca15cfd51',
    _s: '0x6f348cc656b90e79cfc1e748c3371fbd0128b83b787a110622f3aa5143a017f8'
  },
  _to: '0x',
  _input: '0x60806...',
  _value: '0x0'
}

caver.transaction.recoverPublicKeys

caver.transaction.recoverPublicKeys('0x{RLP-encoded transaction}')

Recovers the public key strings from signatures field of the given transaction.

NOTE caver.transaction.recoverPublicKeys is supported since caver-js v1.6.3.

Parameters

Name	Type	Description
rawTx	string	The RLP-encoded transaction string to recover public keys from signatures.

Return Value

Type	Description
Array	An array containing public keys recovered from signatures.

Example

> caver.transaction.recoverPublicKeys('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')
[
  '0x8bb6aaeb2d96d024754d3b50babf116cece68977acbe8ba6a66f14d5217c60d96af020a0568661e7c72e753e80efe084a3aed9f9ac87bf44d09ce67aad3d4e01',
  '0xc7751c794337a93e4db041fb5401c2c816cf0a099d8fd4b1f3f555aab5dfead2417521bb0c03d8637f350df15ef6a6cb3cdb806bd9d10bc71982dd03ff5d9ddd',
  '0x3919091ba17c106dd034af508cfe00b963d173dffab2c7702890e25a96d107ca1bb4f148ee1984751e57d2435468558193ce84ab9a7731b842e9672e40dc0f22'
]

caver.transaction.recoverFeePayerPublicKeys

caver.transaction.recoverFeePayerPublicKeys('0x{RLP-encoded transaction}')

Recovers the public key strings from feePayerSignatures field of the given transaction.

NOTE caver.transaction.recoverFeePayerPublicKeys is supported since caver-js v1.6.3.

Parameters

Name	Type	Description
rawTx	string	The RLP-encoded transaction string to recover public keys from feePayerSignatures. To recover fee payer's public keys, the transaction should be a fee-delegated transaction with the feePayerSignatures field inside.

Return Value

Type	Description
Array	An array containing public keys recovered from feePayerSignatures.

Example

> caver.transaction.recoverFeePayerPublicKeys('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')
[
  '0x2b557d80ddac3a0bbcc8a7861773ca7434c969e2721a574bb94a1e3aa5ceed3819f08a82b31682c038f9f691fb38ee4aaf7e016e2c973a1bd1e48a51f60a54ea',
  '0x1a1cfe1e2ec4b15520c57c20c2460981a2f16003c8db11a0afc282abf929fa1c1868f60f91b330c423aa660913d86acc2a0b1b15e7ba1fe571e5928a19825a7e',
  '0xdea23a89dbbde1a0c26466c49c1edd32785432389641797038c2b53815cb5c73d6cf5355986fd9a22a68bb57b831857fd1636362b383bd632966392714b60d72'
]

transaction.sign

transaction.sign(keyring [, index] [, hasher])

Signs the transaction as a transaction sender with the private key(s) in the keyring and appends signatures in the transaction object.

For Account Update transaction, use roleAccountUpdateKey, or otherwise, use roleTransactionKey in RoleBasedKeyring. If the user has not defined an index, transaction.sign signs the transaction using all the private keys used by the role. If index is defined, the transaction.sign signs the transaction using only one private key at the given index.

Parameters

Name	Type	Description
keyring	object \	string
index	number	(선택 사항) 사용하고자 하는 개인키의 인덱스입니다. 인덱스는 각각의 역할에 정의된 개인키들의 배열 길이보다 작아야 합니다. 인덱스가 정의되지 않았을 경우, 이 메서드는 모든 개인키를 사용합니다.
hasher	Function	(optional) The hash function to get the hash of the transaction.

Return Value

Promise는 객체를 반환: 서명된 트랜잭션입니다.

Type	Description
object	An instance of signed Transaction. The signature is appended to the transaction.signatures.

Example

// 이 예시는 ValueTransfer 트랜잭션 사용
> const transaction = caver.transaction.valueTransfer.create({
    from: '0xe7e9184c125020af5d34eab7848bab799a1dcba9',
    to: '0x3424b91026bdc5ec55df4548e6ebf0f28b60abd7',
    value: 1,
    gas: 30000,
})

> const customHasher = () => { ... }

// roleTransactionKey에 두 개인키를 사용하는 roleBasedKeyring로 트랜잭션 서명
> transaction.sign(roleBasedKeyring).then(console.log)
ValueTransfer {
    _type: 'TxTypeValueTransfer',
    _from: '0xe7e9184c125020af5d34eab7848bab799a1dcba9',
    _gas: '0x7530',
    _signatures: [
        SignatureData { _v: '0x4e43', _r: '0xd78a2...', _s: '0x379e9...' },
        SignatureData { _v: '0x4e43', _r: '0x70a58...', _s: '0x2ab28...' }
    ],
    _to: '0x3424b91026bdc5ec55df4548e6ebf0f28b60abd7',
    _value: '0x1',
    _chainId: '0x2710',
    _gasPrice: '0x5d21dba00',
    _nonce: '0x0'
}

// roleTransactionKey와 인덱스에 두 개인키를 사용하는 roleBasedKeyring로 트랜잭션 서명
> transaction.sign(roleBasedKeyring, 1).then(console.log)
ValueTransfer {
    _type: 'TxTypeValueTransfer',
    _from: '0xe7e9184c125020af5d34eab7848bab799a1dcba9',
    _gas: '0x7530',
    _signatures: [
        SignatureData { _v: '0x4e43', _r: '0x70a58...', _s: '0x2ab28...' }
    ],
    _to: '0x3424b91026bdc5ec55df4548e6ebf0f28b60abd7',
    _value: '0x1',
    _chainId: '0x2710',
    _gasPrice: '0x5d21dba00',
    _nonce: '0x0'
}

// roleTransactionKey와 hasher에 두 개인키를 사용하는 roleBasedKeyring로 트랜잭션 서명
> transaction.sign(roleBasedKeyring, customHasher).then(console.log)
ValueTransfer {
    _type: 'TxTypeValueTransfer',
    _from: '0xe7e9184c125020af5d34eab7848bab799a1dcba9',
    _gas: '0x7530',
    _signatures: [
        SignatureData { _v: '0x4e44', _r: '0x7a8b6...', _s: '0x17139...' },
        SignatureData { _v: '0x4e43', _r: '0x7f978...', _s: '0x1a532...' }
    ],
    _to: '0x3424b91026bdc5ec55df4548e6ebf0f28b60abd7',
    _value: '0x1',
    _chainId: '0x2710',
    _gasPrice: '0x5d21dba00',
    _nonce: '0x0'
}

// roleTransactionKey, 인덱스, hasher에 두 개인키를 사용하는 roleBasedKeyring로 트랜잭션 서명
> transaction.sign(roleBasedKeyring, 1, customHasher).then(console.log)
ValueTransfer {
    _type: 'TxTypeValueTransfer',
    _from: '0xe7e9184c125020af5d34eab7848bab799a1dcba9',
    _gas: '0x7530',
    _signatures: [
        SignatureData { _v: '0x4e43', _r: '0x7f978...', _s: '0x1a532...' }
    ],
    _to: '0x3424b91026bdc5ec55df4548e6ebf0f28b60abd7',
    _value: '0x1',
    _chainId: '0x2710',
    _gasPrice: '0x5d21dba00',
    _nonce: '0x0'
}

transaction.signAsFeePayer

transaction.signAsFeePayer(keyring [, index] [, hasher])

트랜잭션 fee payer로서 서명하며, keyring 내 개인키를 사용하여 트랜잭션 객체에 feePayerSignatures를 첨부합니다.

For signing a transaction as a fee payer, use roleFeePayerKey in keyring. 사용자가 index를 정의하지 않았다면, transaction.signAsFeePayer이 해당 역할에 의해 사용되는 모든 개인키를 가지고 트랜잭션에 서명합니다. index가 정의되어 있다면, transaction.signAsFeePayer이 주어진 인덱스에 대응하는 하나의 개인키를 가지고 트랜잭션에 서명합니다.

transaction.feePayer가 정의되어 있지 않은 경우, 주어진 keyring의 주소는 transaction.feePayer로 설정됩니다.

If the keyring to be used for signing the transaction was added to caver.wallet, you can use caver.wallet.signAsFeePayer.

참고 이 함수는 "수수료 대납" 트랜잭션 또는 "수수료 부분 대납" 트랜잭션에서만 작동합니다.

Parameters

Name	Type	Description
keyring	object \	string
index	number	(optional) The index of the private key you want to use. The index must be less than the length of the array of the private keys defined for each role. If an index is not defined, this method will use all the private keys.
hasher	Function	(optional) The hash function to get the hash of the transaction.

Return Value

Promise returning object: The signed transaction.

Type	Description
object	An instance of signed Transaction. The signature is appended to the transaction.feePayerSignatures.

Example

// This example uses the FeeDelegatedValueTransfer transaction.
> const transaction = caver.transaction.feeDelegatedValueTransfer.create({
    from: '0x6fddbcb99d31b8755c2b840a367f53eea4b4f45c',
    to: '0x3424b91026bdc5ec55df4548e6ebf0f28b60abd7',
    value: 1,
    gas: 30000,
})

> const customHasher = () => { ... }

// Sign a transaction with the address of RoleBasedKeyring which use two private keys for roleFeePayerKey
> transaction.signAsFeePayer(roleBasedKeyring).then(console.log)
FeeDelegatedValueTransfer {
    _type: 'TxTypeFeeDelegatedValueTransfer',
    _from: '0x6fddbcb99d31b8755c2b840a367f53eea4b4f45c',
    _gas: '0x7530',
    _signatures: [ SignatureData { _v: '0x01', _r: '0x', _s: '0x' } ],
    _feePayer: '0xe7e9184c125020af5d34eab7848bab799a1dcba9',
    _feePayerSignatures: [
        SignatureData { _v: '0x4e44', _r: '0x7010e...', _s: '0x65d6b...' },
        SignatureData { _v: '0x4e43', _r: '0x96ef2...', _s: '0x77f34...' }
    ],
    _to: '0x3424b91026bdc5ec55df4548e6ebf0f28b60abd7',
    _value: '0x1',
    _chainId: '0x2710',
    _gasPrice: '0x5d21dba00',
    _nonce: '0x0'
}

// Sign a transaction with the address of RoleBasedKeyring which use two private keys for roleFeePayerKey and index
> transaction.signAsFeePayer(roleBasedKeyring, 1).then(console.log)
FeeDelegatedValueTransfer {
    _type: 'TxTypeFeeDelegatedValueTransfer',
    _from: '0x6fddbcb99d31b8755c2b840a367f53eea4b4f45c',
    _gas: '0x7530',
    _signatures: [ SignatureData { _v: '0x01', _r: '0x', _s: '0x' } ],
    _feePayer: '0xe7e9184c125020af5d34eab7848bab799a1dcba9',
    _feePayerSignatures: [
        SignatureData { _v: '0x4e43', _r: '0x96ef2...', _s: '0x77f34...' }
    ],
    _to: '0x3424b91026bdc5ec55df4548e6ebf0f28b60abd7',
    _value: '0x1',
    _chainId: '0x2710',
    _gasPrice: '0x5d21dba00',
    _nonce: '0x0'
}

// Sign a transaction with the address of RoleBasedKeyring which use two private keys for roleFeePayerKey and hasher
> transaction.signAsFeePayer(roleBasedKeyring, customHasher).then(console.log)
FeeDelegatedValueTransfer {
    _type: 'TxTypeFeeDelegatedValueTransfer',
    _from: '0x6fddbcb99d31b8755c2b840a367f53eea4b4f45c',
    _gas: '0x7530',
    _signatures: [ SignatureData { _v: '0x01', _r: '0x', _s: '0x' } ],
    _feePayer: '0xe7e9184c125020af5d34eab7848bab799a1dcba9',
    _feePayerSignatures: [
        SignatureData { _v: '0x4e43', _r: '0xe48bf...', _s: '0x1cf36...' },
        SignatureData { _v: '0x4e43', _r: '0x82976...', _s: '0x3c5e0...' }
    ],
    _to: '0x3424b91026bdc5ec55df4548e6ebf0f28b60abd7',
    _value: '0x1',
    _chainId: '0x2710',
    _gasPrice: '0x5d21dba00',
    _nonce: '0x0'
}

// Sign a transaction with the address of RoleBasedKeyring which use two private keys for roleFeePayerKey, index and hasher
> transaction.signAsFeePayer(roleBasedKeyring, 1, customHasher).then(console.log)
FeeDelegatedValueTransfer {
    _type: 'TxTypeFeeDelegatedValueTransfer',
    _from: '0x6fddbcb99d31b8755c2b840a367f53eea4b4f45c',
    _gas: '0x7530',
    _signatures: [ SignatureData { _v: '0x01', _r: '0x', _s: '0x' } ],
    _feePayer: '0xe7e9184c125020af5d34eab7848bab799a1dcba9',
    _feePayerSignatures: [
        SignatureData { _v: '0x4e43', _r: '0x82976...', _s: '0x3c5e0...' }
    ],
    _to: '0x3424b91026bdc5ec55df4548e6ebf0f28b60abd7',
    _value: '0x1',
    _chainId: '0x2710',
    _gasPrice: '0x5d21dba00',
    _nonce: '0x0'
}

transaction.appendSignatures

transaction.appendSignatures(signatures)

Appends signatures to the transaction.

Parameters

Name	Type	Description
signatures	object \	Array

Example

> transaction.appendSignatures([ '0x4e44', '0x7010e...', '0x65d6b...' ])

transaction.appendFeePayerSignatures

transaction.appendFeePayerSignatures(signatures)

Appends feePayerSignatures to the transaction.

NOTE This function works only for "fee-delegated" transactions or "fee-delegated with ratio" transactions.

Parameters

Name	Type	Description
feePayerSignatures	object \	Array

Example

> transaction.appendFeePayerSignatures([ '0x4e44', '0x7010e...', '0x65d6b...' ])

transaction.combineSignedRawTransactions

transaction.combineSignedRawTransactions(rlpEncodedTxs)

Collects signs in each RLP-encoded transaction string in the given array, combines them with the transaction instance, and returns a RLP-encoded transaction string which includes all signs. Note that the transaction instance doesn't necessarily be signed in advance. If the transaction is either a type of "fee-delegated" or "fee-delegated with ratio", feePayerSignatures is also merged and included in the output RLP-encoded transaction string.

Parameters

Name	Type	Description
rlpEncodedTxs	Array	An array of signed RLP-encoded transaction strings.

Return Value

Type	Description
string	A RLP-encoded transaction string which includes all signatures (and feePayerSignatures if transaction is a type of either "fee-delgated" or "fee-delegated with ratio").

Example

> transaction.combineSignedRawTransactions(['0x09f88...'])
'0x09f885018505d21dba00830f4240947b65b75d204abed71587c9e519a89277766ee1d00a9404bb86a1b16113ebe8f57071f839b002cbcbf7d0f847f845820feaa068e56f3da7fbe7a86543eb4b244ddbcb13b2d1cb9adb3ee8a4c8b046821bc492a068c29c057055f68a7860b54184bba7967bcf42b6aae12beaf9f30933e6e730c280c4c3018080'

transaction.getRLPEncoding

transaction.getRLPEncoding()

RLP 인코딩된 트랜잭션 문자열을 반환합니다.

For information on how to make the RLP-encoded string for each transaction type, see Klaytn Design - Transactions.

Return Value

Type	Description
string	RLP 인코딩된 트랜잭션 문자열입니다.

Example

> transaction.getRLPEncoding()
'0x09f885018505d21dba00830f4240947b65b75d204abed71587c9e519a89277766ee1d00a9404bb86a1b16113ebe8f57071f839b002cbcbf7d0f847f845820feaa068e56f3da7fbe7a86543eb4b244ddbcb13b2d1cb9adb3ee8a4c8b046821bc492a068c29c057055f68a7860b54184bba7967bcf42b6aae12beaf9f30933e6e730c280c4c3018080'

transaction.getRawTransaction

transaction.getRawTransaction()

rawTransaction 문자열을 반환합니다(RLP 인코딩된 트랜잭션 문자열). This function is same with transaction.getRLPEncoding.

Return Value

Type	Description
string	A RLP-encoded transaction string.

Example

> transaction.getRawTransaction()
'0x09f885018505d21dba00830f4240947b65b75d204abed71587c9e519a89277766ee1d00a9404bb86a1b16113ebe8f57071f839b002cbcbf7d0f847f845820feaa068e56f3da7fbe7a86543eb4b244ddbcb13b2d1cb9adb3ee8a4c8b046821bc492a068c29c057055f68a7860b54184bba7967bcf42b6aae12beaf9f30933e6e730c280c4c3018080'

transaction.getTransactionHash

transaction.getTransactionHash()

transactionHash를 반환합니다.

For information on how to make the transaction hash for each transaction type, see Klaytn Design - Transactions.

Return Value

Type	Description
string	트랜잭션 해시입니다.

Example

> transaction.getTransactionHash()
'0x8ac53afbba014201b02398545653683fe0536c49707fe302c59423012c0e8697'

transaction.getSenderTxHash

transaction.getSenderTxHash()

Returns a senderTxHash of transaction.

The senderTxHash is a hash of the transaction except for the fee payer's address and signature, so transactionHash and senderTxHash are the same for basic transactions.

For information on how to make the senderTxHash for each transaction type, see Klaytn Design - Transactions.

Return Value

Type	Description
string	전송자의 트랜잭션 해시(senderTxHash) 입니다.

Example

> transaction.getSenderTxHash()
'0xb61cc1ddadb6f2ec34c9f9e6a7b6cf0a606422654d649d998587c77daa3c31fe'

transaction.getRLPEncodingForSignature

transaction.getRLPEncodingForSignature()

트랜잭션 전송자의 서명을 만들기 위한 RLP 인코딩된 트랜잭션 문자열을 반환합니다. 반환된 RLP 인코딩된 트랜잭션 문자열은 서명에 추가되는 것이 아니라, 이 서명을 생성하는 데 사용된다는 점을 참고하세요.

For information on how to make a RLP-encoded transaction string to generate the transaction sender's signature for each transaction type, see Klaytn Design - Transactions.

Return Value

Type	Description
string	서명이 첨부되지 않은 RLP 인코딩된 트랜잭션 문자열입니다.

Example

> transaction.getRLPEncodingForSignature()
'0xf83fb838f709018505d21dba00830f4240947b65b75d204abed71587c9e519a89277766ee1d00a9404bb86a1b16113ebe8f57071f839b002cbcbf7d08207e38080'

transaction.getRLPEncodingForFeePayerSignature

transaction.getRLPEncodingForFeePayerSignature()

수수료 납부자의 서명을 생성하기 위한 RLP 인코딩된 트랜잭션 문자열을 반환합니다. Note that the returned RLP-encoded transaction string is not added with the signature and rather is used to generate this signature.

For information on how to make a RLP-encoded transaction string to generate the fee payer's signature for each transaction type, see Klaytn Design - Transactions.

NOTE This function works only for "fee-delegated" transactions or "fee-delegated with ratio" transactions.

Return Value

Type	Description
string	A RLP-encoded transaction string without any signature attached.

Example

> transaction.getRLPEncodingForFeePayerSignature()
'0xf840b838f709018505d21dba00830f4240947b65b75d204abed71587c9e519a89277766ee1d00a9404bb86a1b16113ebe8f57071f839b002cbcbf7d0808207e38080'

transaction.fillTransaction

transaction.fillTransaction()

트랜잭션의 선택 사항 변수들을 기입해 줍니다.

이 메서드는 트랜잭션의 선택 변수 gasPrice, nonce, 또는 chainId가 정의되지 않은 경우, 각각의 기본값을 조회하여 연결된 Klaytn Node에 JSON RPC 호출을 함으로서 이 값들을 지정시킵니다.

Use caver.rpc.klay.getGasPrice to get gasPrice, caver.rpc.klay.getTransactionCount to get nonce and caver.rpc.klay.getChainId call to get chainId.

Return Value

Promise는 void을 반환합니다.

Example

> transaction.fillTransaction()

transaction.recoverPublicKeys

transaction.recoverPublicKeys()

signatures에서 공개키 스트링을 복구합니다.

참고 transaction.recoverPublicKeys는 caver-js v1.6.3부터 지원됩니다.

Return Value

Type	Description
Array	An array containing public keys recovered from signatures.

Example

> transaction.recoverPublicKeys()
[
  '0x8bb6aaeb2d96d024754d3b50babf116cece68977acbe8ba6a66f14d5217c60d96af020a0568661e7c72e753e80efe084a3aed9f9ac87bf44d09ce67aad3d4e01',
  '0xc7751c794337a93e4db041fb5401c2c816cf0a099d8fd4b1f3f555aab5dfead2417521bb0c03d8637f350df15ef6a6cb3cdb806bd9d10bc71982dd03ff5d9ddd',
  '0x3919091ba17c106dd034af508cfe00b963d173dffab2c7702890e25a96d107ca1bb4f148ee1984751e57d2435468558193ce84ab9a7731b842e9672e40dc0f22'
]

transaction.recoverFeePayerPublicKeys

transaction.recoverFeePayerPublicKeys()

feePayerSignatures 필드에서 공개키 문자열을 복구합니다.

참고 transaction.recoverFeePayerPublicKeys는 caver-js v1.6.3부터 지원됩니다.

Return Value

Type	Description
Array	An array containing public keys recovered from feePayerSignatures.

Example

> transaction.recoverFeePayerPublicKeys()
[
  '0x2b557d80ddac3a0bbcc8a7861773ca7434c969e2721a574bb94a1e3aa5ceed3819f08a82b31682c038f9f691fb38ee4aaf7e016e2c973a1bd1e48a51f60a54ea',
  '0x1a1cfe1e2ec4b15520c57c20c2460981a2f16003c8db11a0afc282abf929fa1c1868f60f91b330c423aa660913d86acc2a0b1b15e7ba1fe571e5928a19825a7e',
  '0xdea23a89dbbde1a0c26466c49c1edd32785432389641797038c2b53815cb5c73d6cf5355986fd9a22a68bb57b831857fd1636362b383bd632966392714b60d72'
]

transaction.suggestGasPrice

transaction.suggestGasPrice()

Returns suggested gas price. This function is used to set gasPrice field in the fillTransaction.

Before the Magma hard fork, suggestGasPrice returns the unit price of the network. After the Magma hard fork, suggestGasPrice returns baseFee * 2 which is recommended to use as gasPrice.

NOTE transaction.suggestGasPrice is supported since caver-js v1.9.0.

Return Value

Promise returning string: The suggested gas price in hexadecimal string.

Type	Description
string	The suggested gas price.

Example

> tx.suggestGasPrice().then(console.log)
0xba43b7400