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Step 1 — Generate Message

Create the contract msg that will later be signed and broadcast.

Endpoint​

Use one of these:

Example (Swap)​

curl -X POST \
  'https://testnet.api.euclidprotocol.com/api/v1/execute/meta-txn/swap' \
  -H 'Content-Type: application/json' \
  -d '{
  "amount_in": "100000000000000000",
  "asset_in": {
    "token": "stt",
    "token_type": { "voucher": {} }
  },
  "recipients": [
    {
      "user": {
        "address": "0x887e4aac216674d2c432798f851c1ea5d505b2e1",
        "chain_uid": "monad"
      },
      "amount": { "dynamic": "0" },
      "denom": { "voucher": {} },
      "unsafe_refund_as_voucher": false
    }
  ],
  "slippage": "5",
  "sender": {
    "address": "0x887e4aac216674d2c432798f851c1ea5d505b2e1",
    "chain_uid": "monad"
  },
  "swap_path": {
    "path": [
      {
        "route": ["stt", "euclid"],
        "dex": "euclid",
        "chain_uid": "vsl",
        "amount_in": "100000000000000000",
        "amount_out": "1206"
      }
    ]
  }
}'

Example Response​

{
  "msg": {
    "target": "euclid1...",
    "call_data": "{...}"
  },
  "type": "swap",
  "token_in": "stt",
  "token_out": "euclid",
  "token": "",
  "amount_in": "100000000000000000",
  "amount_out": "1206"
}

What You Keep For Step 2​

From this response, keep the entire object and place it into msgs[] in the sign call.

Next: Build Payload