Fulfill a listing

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Note
Calling this endpoint does NOT fulfill the listing in question. It provides the data needed for the client to fulfill the listing directly through the protocol contract (on chain).

This endpoint is used to generate fulfillment data for listings. The response contains all of the information needed for clients to fulfill a listing directly on chain

Request

Name	Type	Description
listing	object	object representing the listing to be filled
fulfiller	object	object representing the filler

Listing Model

Field	Type	Description
hash	string	hash of the listing
chain	string	name of the chain
protocol_address	string	address of the exchange contract used to place the listing

Fulfiller Model

Field	Type	Description
address	string	wallet address of the intended fulfiller

Sample Payload

{
    "listing": {
        "hash": "0x6ba3577b78869b26210550176d7376577a1e2b10d76add5a8d022df9dc2f6429",
        "chain": "ethereum",
        "protocol_address": "0x00000000000001ad428e4906aE43D8F9852d0dD6"
    },
    "fulfiller": {
        "address": "0xD77F375A33b1109e82f3C46A30537F1E019708eB"
    }
}

Supported Protocols:

Seaport 1.1 (0x00000000006c3852cbEf3e08E8dF289169EdE581)
Seaport 1.4 (0x00000000000001ad428e4906aE43D8F9852d0dD6)

Response

Name	Type	Description	Description
protocol	string	name of the protocol contract
fulfillment_data	object	data needed to fulfill the listing on chain	--

Fulfillment Data Model

Name	Type	Description
transaction	object	specifies the name of the fulfillment method and the call data
orders	array of object	array of Seaport orders

Transaction Data Model

Name	Type	Description
function	string	the protocol contract method used for listing fulfillment
chain	int	numeric chain identifier
to	str	address of the protocol contract used for fulfillment
value	int	wei value of the transaction
input_data	dict	decoded call data

Sample Response

{
  "protocol": "seaport",
  "fulfillment_data": {
    "transaction": {
      "function": "fulfillBasicOrder((address,uint256,uint256,address,address,address,uint256,uint256,uint8,uint256,uint256,bytes32,uint256,bytes32,bytes32,uint256,(uint256,address)[],bytes))",
      "chain": 1,
      "to": "0x00000000006c3852cbef3e08e8df289169ede581",
      "value": 18398000000000000,
      "input_data": {
        "parameters": {
          "considerationToken": "0x0000000000000000000000000000000000000000",
          "considerationIdentifier": 0,
          "considerationAmount": 16558200000000000,
          "offerer": "0x8ff072db4774ff09266d024e098905804f22cf81",
          "zone": "0x004c00500000ad104d7dbd00e3ae0a5c00560c00",
          "offerToken": "0x8b8d1225bb21ca07812ff3c2ee9358f7b5d90eca",
          "offerIdentifier": 379,
          "offerAmount": 1,
          "basicOrderType": 3,
          "startTime": 1672530112,
          "endTime": 1672531048,
          "zoneHash": "0x3000000000000000000000000000000000000000000000000000000000000000",
          "salt": 1178663006809303457,
          "offererConduitKey": "0x0000007b02230091a7ed01230072f7006a004d60a8d4e71d599b8104250f0000",
          "fulfillerConduitKey": "0x0000007b02230091a7ed01230072f7006a004d60a8d4e71d599b8104250f0000",
          "totalOriginalAdditionalRecipients": 2,
          "additionalRecipients": [
            {
              "amount": 459950000000000,
              "recipient": "0x0000a26b00c1f0df003000390027140000faa719"
            },
            {
              "amount": 1379850000000000,
              "recipient": "0xb42120625f0a49efcff29772564f1392ca5d962d"
            }
          ],
          "signature": "0x90282853a66e974bd8d59a5d02ce6a19c2091a1b1b9ba449732c0f2eb7604071507573a91af97a81b9d84b45e39af22adbd232e4a51770e5e02a2ed77485f16d"
        }
      }
    },
    "orders": [
      {
        "parameters": {
          "offerer": "0x8ff072db4774ff09266d024e098905804f22cf81",
          "offer": [
            {
              "itemType": 2,
              "token": "0x8b8D1225bB21CA07812FF3c2ee9358f7b5d90EcA",
              "identifierOrCriteria": "379",
              "startAmount": "1",
              "endAmount": "1"
            }
          ],
          "consideration": [
            {
              "itemType": 0,
              "token": "0x0000000000000000000000000000000000000000",
              "identifierOrCriteria": "0",
              "startAmount": "16558200000000000",
              "endAmount": "16558200000000000",
              "recipient": "0x8Ff072DB4774fF09266D024E098905804F22CF81"
            },
            {
              "itemType": 0,
              "token": "0x0000000000000000000000000000000000000000",
              "identifierOrCriteria": "0",
              "startAmount": "459950000000000",
              "endAmount": "459950000000000",
              "recipient": "0x0000a26b00c1F0DF003000390027140000fAa719"
            },
            {
              "itemType": 0,
              "token": "0x0000000000000000000000000000000000000000",
              "identifierOrCriteria": "0",
              "startAmount": "1379850000000000",
              "endAmount": "1379850000000000",
              "recipient": "0xb42120625f0A49EFCFF29772564f1392ca5D962D"
            }
          ],
          "startTime": "1672530112",
          "endTime": "1672531048",
          "orderType": 3,
          "zone": "0x004C00500000aD104D7DBd00e3ae0A5C00560C00",
          "zoneHash": "0x3000000000000000000000000000000000000000000000000000000000000000",
          "salt": "0x105b73c286c329a1",
          "conduitKey": "0x0000007b02230091a7ed01230072f7006a004d60a8d4e71d599b8104250f0000",
          "totalOriginalConsiderationItems": 3,
          "counter": 0
        },
        "signature": "0x90282853a66e974bd8d59a5d02ce6a19c2091a1b1b9ba449732c0f2eb7604071507573a91af97a81b9d84b45e39af22adbd232e4a51770e5e02a2ed77485f16d"
      }
    ]
  }
}

Supported Functions:

fulfillBasicOrder (Seaport)
fulfillOrder (Seaport)

📘Note

Request

Response

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Note