Chain Specific Fields

ChainSpecificFields

Ethereum

When executing Ethereum transaction you can specify gasLimit or gasPrice by using chain specific fields

Field name	Field value	Type	Example
gasLimit	Gas limit, will be used for the contract call	Integer	300000
gasPrice	Gas price, will be used for the contract call (in WEI)	Integer	50000000

Polygon (MATIC)

When executing Matic transaction you can specify gasLimit or gasPrice by using chain specific fields

Field name	Field value	Type	Example
gasLimit	Gas limit, will be used for the contract call	Integer	300000
gasPrice	Gas price, will be used for the contract call (in WEI)	Integer	50000000

Vechain

When executing Vechain transaction you can specify gasLimit or gasPriceCoef by using chain specific fields

Field name	Field value	Type	Example
gasLimit	Gas limit, will be used for the contract call	Integer	300000
gasPriceCoef	Gas price coefficient, will be used for the contract call	Integer	1

Neo

When executing Vechain transaction you can specify networkFee, systemFee or outputsby using chain specific fields

Field name	Field value	Type	Example
networkFee	Network fee used for the contract call. By default, 0.1 is used	Number	0.1
systemFee	System fee used for the contract call	Number	0.1
outputs	It is possible to add additional asset transfers together with a contract call by attaching additional outputs. This is a JSON object containing "to", "amount" and "assetId" with json types respectively string, number and string. If "to" is a script hash, it will be translated to a valid NEO address	JSON	{ "to": "AKJrLM5Q…​", "amount": 1, "assetId": "602c79718…​" }

Binance Smart Chain (BSC)

When executing BSC transaction you can specify gasLimit or gasPrice by using chain specific fields

Field name	Field value	Type	Example
gasLimit	Gas limit, will be used for the contract call	Integer	300000
gasPrice	Gas price, will be used for the contract call (in WEI)	Integer	50000000

Hedera

When executing Hedera transaction you can specify a memo by using a chain specific field

Field name	Field value	Type	Example
transactionMemo	A memo that can be used with a transaction	String	"0.0.2810009"

Examples

Request Endpoint: reference

HTTP

POST /api/transactions/execute

Parameter	Param Type	Value	Description
Signing-Method	Header	id:value	id: This is the ID of the signing method value: This is the value of the signing method

Request body

{
	"transactionRequest": {

		"type": "CONTRACT_EXECUTION",
		"walletId": "adc4c08a-b8fa-4e4c-z5a2-92c87b80f174",
		"to": "0xdc71b72db51e227e65a45004ab2798d31e8934c9",
		"alias": null,
		"secretType": "ETHEREUM",
		"functionName": "transfer",
		"value": 0,
		"inputs": [{
			"type": "address",
			"value": "0x80cbb6c4342948e5be81987dce8251dbedd69138"
		}, {
			"type": "uint256",
			"value": 73680000
		}],
		"chainSpecificFields": {
			"gasLimit": "300000"
		}
	}
}

📘

The request structure ofchainSpecificFieldsis similar for other chains and use-cases as well.