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

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.