Post dexApprove API

This endpoint is used to initiate a token approval transaction for the DexExchange platform.

Endpoint: POST/dexApprove

Request Body: A JSON object containing dexApprove details.

Request Body Fields:

Field	Type	Description
tokenIdTo	string	Token identifier to which the swap is directed
tokenIdFrom	string	Token identifier from which the swap is initiated
addressFrom	string	Address from which the amount will be deducted
amount	number	Amount to be approved
swap	string	Swap identifier or type (example: ch)
route	object	see RouteDTO.

Example request:

POST /dexApprove
Content-Type: application/json

{
  "tokenIdTo": "6689b73ec90e45f3b3e51558",
  "tokenIdFrom": "6689b73ec90e45f3b3e51553",
  "addressFrom": "0x45CF73349a4895fabA18c0f51f06D79f0794898D",
  "amount": 1,
  "swap": "sw",
  "route": {
    "duration": 1,
    "gas": "5387746374601800",
    "quote": {
      "integration": "debridge",
      "type": "swap",
      "bridgeFee": "29257969",
      "bridgeFeeInNativeToken": "1000000000000000",
      "amount": "657693444",
      "decimals": 9,
      "amountUSD": "94.905",
      "bridgeFeeUSD": "4.221",
      "bridgeFeeInNativeTokenUSD": "2.434",
      "fees": [
        {
          "type": "bridge",
          "amount": "29257969",
          "amountUSD": "4.221",
          "chainSlug": "solana",
          "tokenSymbol": "SOL",
          "tokenAddress": "11111111111111111111111111111111",
          "decimals": 9,
          "deductedFromSourceToken": true
        },
        {
          "type": "bridge",
          "amount": "1000000000000000",
          "amountUSD": "2.434",
          "chainSlug": "ethereum",
          "tokenSymbol": "ETH",
          "tokenAddress": "0x0000000000000000000000000000000000000000",
          "decimals": 18,
          "deductedFromSourceToken": false
        },
        {
          "type": "gas",
          "amount": "5387746374601800",
          "amountUSD": "13.118",
          "chainSlug": "ethereum",
          "tokenSymbol": "ETH",
          "tokenAddress": "0x0000000000000000000000000000000000000000",
          "decimals": 18,
          "deductedFromSourceToken": false
        },
        {
          "type": "partner",
          "amount": "200000",
          "amountUSD": "0.200",
          "chainSlug": "ethereum",
          "tokenSymbol": "USDT",
          "tokenAddress": "0xdac17f958d2ee523a2206206994597c13d831ec7",
          "decimals": 6,
          "deductedFromSourceToken": true
        }
      ]
    },
    "route": [
      {
        "bridge": "debridge",
        "bridgeTokenAddress": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
        "steps": [
          "allowance",
          "approve",
          "send"
        ],
        "name": "USDC",
        "part": 100
      }
    ],
    "distribution": {
      "debridge": 1
    },
    "gasUSD": "13.118"
  }
}

Example Response:

[
  {
    "data": "0x095ea7b300000000000000000000000072788af7fc87d14da73f94e353e52b76e230035b000000000000000000000000000000000000000000000000016345785d8a0000",
    "to": "0x0000000000000000000000000000000000000000",
    "from": "0x789",
    "fromChain": {
      "id": "667160411933f7647414f091",
      "created": "2024-06-18T10:24:01.870Z",
      "modified": "2024-09-04T13:41:54.131Z",
      "name": "Ethereum",
      "shortName": "ethereum",
      "addressValidation": "^(0x)[0-9A-Fa-f]{40}$",
      "explorerUrl": "https://etherscan.io/tx/{txHash}",
      "addressUrl": "https://etherscan.io/tokens/{address}",
      "kind": "evm",
      "chainId": 1,
      "block": "0",
      "gasPrice": "0",
      "lastBaseFeePerGas": "0",
      "maxFeePerGas": "0",
      "maxPriorityFeePerGas": "0",
      "enabled": true,
      "icon": "http://localhost:3000/assets/dexchains/667160411933f7647414f091.png"
    }
  }
]

Response Fields:

Field	Type	Description
data	string	Data info
to	string	Token identifier to which the swap is directed
from	string	Token identifier to which the swap is initiated
fromChain	object	See ChainDTO.

ChainDTO fields explained:

Field	Type	Description
id	string	Chain ID
created	date-time	Chain created at
modified	date-time	Chain modified at
name	string	Chain name
shortName	string	Chain short name
addressValidation	string	Regex to validate the address
memoNeeded	boolean	Does the chain require a memo
hashUrl	string	Hash URL
explorerUrl	string	ExplorerURL
addressUrl	string	Address URL
icon	string	Icon URL
priority	number	Priority
kind	string	Chain kind
chainId	number	Chain ID
block	bigint	Block number
gasPrice	bigint	Gas Price
lastBaseFeePerGas	bigint	Last base fee per gas
maxFeePerGas	bigint	Max fee per gas
maxPriorityFeePerGas	bigint	Max priority fee per gas
enabled	boolean	Is chain enabled
shortNameV1	string	Chain short name v1