Firm order#

OKX DEX will request relevant data using the parameters below.

Request Parameters#

Parameter	Type	Required	Description
chainIndex	String	Yes	Unique identifier for the chain. e.g., `1`: Ethereum. See more here.
takerAsset	Array	Yes	Address of takerToken
makerAsset	String	Yes	Address of makerToken
takerAmount	String	Yes	Trade quantity of takerToken
takerAddress	String	Yes	Address of Taker
rfqId	Long	Yes	A unique identifier assigned to each quote request.
expiryDuration	Integer	Yes	This parameter sets the validity duration of a quote or request, indicating the time interval from when the quote/request is generated until it expires.
callData	String	No	The transaction needs to be signed, this requirement applies to Solana only.

Response Parameters#

Parameter	Type	Required	Description
chainIndex	String	Yes	Unique identifier for the chain. e.g., `1`: Ethereum. See more here.
makerAmount	Array	Yes	Trade quantity of makerToken
makerAddress	String	Yes	Address of order signer
takerAsset	String	Yes	Address of takerToken
makerAsset	String	Yes	Address of makerToken
takerAmount	String	Yes	Trade quantity of takerToken
takerAddress	String	Yes	Address of Taker
rfqId	String	Yes	A unique identifier assigned to each quote request.
expiry	Timestamp	Yes	Expiration time.
signature	String	Yes	The signature of market maker.
callData	String	No	The signed transaction and the modified calldata.(required for solana)
signatureScheme	String	No	EIP-712 or EIP-1271(required for EVM)
usePermit2	Boolean	No	Use Permit2 to approve, default is false.(required for EVM)

Pricing

EVM Signature

Request Example#

shell

`firm-order` Solana Example

{
    "chainIndex" : "501",
    "takerAsset": "11111111111111111111111111111111",  // Address of takerToken
    "makerAsset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",  // Address of makerToken
    "takerAmount": "6000000000000000", // Quantity of takerToken
    "takerAddress": "taker address", // Address of order taker
    "rfqId": "12345678", // uniqueId for the rfq
    "expiryDuration": 60,
    "callData": "d1KVBN6xw6sF1YzS5gDGGEp64jSmoB54umQyZeuHU8Mgctmok5vVvekq8DNUoPHDnb7Ydr42CyiQHAgkr8TnGFjk1AVr7yYF5MadmGPuLLRrn7KgMd7VHXccReChopuK8iJ2Co7CNmKULx75VtcZj7UMN2qeSQAPeMeAS2deNny3qiKnHXDYKFZRDyeZWnQrRPeSiithSiqc2fLb3XsN7S82Ho2M2D2Y5VbZnGZrJ7XVuPmTQrA5VXwGZpEYZg9QsqR6biy811YFHhvHTMTzMVbUhG988xyJSdxmVRkXBwbvLM2WCfr1Dppewg9pej9sqTG3zKx4NYSW27H9n5fV6SjgLReZCsX1RosN6Wk9ZpkUUHoWDfiGBCQWNdfaMD1mk8eFYXcgReCG2JDwQw8VRoVMhpUAf31Xyt7Ec2e9ug2X6XpXCctk4Adh9UMEJRqs7agEEzZwx638Cm99WfnDh7scDLBMYp4UaAkSmDVvnT8UpQoehrSxJefdzawFXhxVifkfPxi1VNKc4uinyHc4UWdhn9FFp37qJq2WsiACbRwEBmV8SQrZ77AL7MwcUPD8RqyR57Pxezk8KpH9PgEj7g6yRQjUzowDmesP5U9uVPSywUtgKDbtWVJXq4SgQUuSXY5YGWwxkQ6HYkPe6ga7ntziGfBQFbb7t9z1MDw6KAZcP7YPwGC9biEjgQxMyEaCBWzXDHWSvpYdrcLX4HRRLp8cWA3QBPcTZ6JFLFnRHLtn9fBwhz9G8v2544VzdNoVCj3pMsS9UZapDSnzbTFi2xKcyNQtDnRnnumUdz7pS4XtGz8V4tnfNozWCRC4TRg77vcCk81r8dPGrXKZQa2vusp7EvjtUyinmEuEhJvbwuvmRc1YsbrqibrRD2r6XEWFKLFE5adWz8gSZWwTj6ZWZDZtBw2QqVd1cSkuR1tEEaDs91nNGcgRitXeTJTuRNpGJWhcgNotEmK3NWTSmJZCiL7qaZeoatnYcVd6X3axxnyr2Dz4SwQePnVi5wVwJPtNiaWZ1V9kqpNwjTfuuk1aRyaWT55LGL71wSBWBgVuNxUYu9jTQ6cpyXxQiHYMHdhEcpdxYPzwe4gEx2EbPVSgL5mazUJHJoTwwhj9CFSsaXeiMaH2QsBw1TZVvLJboMw7Sa7eeAF6S9Q4CYyh4YSyjL6oLMmutz1a3X4xw3HkJHeEn3M2syP7GVP1xHreS9sso92MWHo3v7PyNgUwm3HyzgMNjXd"
}


`firm-order` EVM Example


{
    "chainIndex" : "1",
    "takerAsset": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",  // Address of takerToken
    "makerAsset": "0xdac17f958d2ee523a2206206994597c13d831ec7",  // Address of makerToken
    "takerAmount": "6000000000000000", // Quantity of takerToken
    "takerAddress": "taker address", // Address of order taker
    "rfqId": "12345678", // uniqueId for the rfq
    "expiryDuration": 60
}

Response Example#

200

`firm-order` Solana Example 
{
    "code": "0",       
    "msg": ""，
    "data": {
        "chainIndex" : "501",
        "rfqId" : "12345678",
        "expiry": 172120120102,
        "makerAsset": "11111111111111111111111111111111", //Address of makerToken
        "takerAsset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB", //Address of takerToken
        "makerAddress": "DmTcmrZ7Dz8asHuuvk2G419JMzqdx58brUBidAegaevp", //Address of order signer
        "takerAddress": "3owrzVrYU5bpWH6LpTRiG5BQ8F4szDtFXavrBWXRohgW", //Address of trading user
        "makerAmount": 100000000,    //Trade quantity of makerToken. TakerAmount * takerTokenRate
        "takerAmount": "6000000000000000",    //Trade quantity of takerToken
        "signature": "c64bf62b7619edda019fe491da256b9fbe892fbfeac91f9d1fce168478ad53053dde038584f063fe21e267fcb4e758bcf420036cd2838fe5cbd993ec6d3dde561b",
        "callData": "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"
    }
}



`firm-order` EVM Example 

{
    "chainIndex" : "1",
    "takerAsset": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",  // Address of takerToken
    "makerAsset": "0xdac17f958d2ee523a2206206994597c13d831ec7",  // Address of makerToken
    "takerAmount": "6000000000000000", // Quantity of takerToken
    "takerAddress": "taker address", // Address of order taker
    "rfqId": "12345678", // uniqueId for the rfq
    "expiryDuration": 60
}

Pricing

EVM Signature