sendAsset payload - Asset Transfers
Decode Hyperliquid `sendAsset` payloads for asset transfers, returned through Dwellir's read-only L1 gRPC API.
Read-only action reference
Dwellir's Hyperliquid gRPC API returns this decoded action payload through
StreamBlocks and
GetBlock. It does not submit or execute this action.
Submit supported user write actions through Hyperliquid's native
POST /exchange
endpoint.
The decoded sendAsset payload records an asset transfer with flexible source, destination, and cross-DEX fields.
Sample Data
{
"signature": {
"r": "0x93eef9b0e03606c293b12d43930c38dc246777cb222b3eb296396bc46d9481b5",
"s": "0x295978b118626247150483ce4c462680dcaa8ba4cf1f9cc779967d8503287900",
"v": 28
},
"action": {
"type": "sendAsset",
"signatureChainId": "0x1",
"hyperliquidChain": "Mainnet",
"destination": "0xf2743533df9c376a09da0b9810de8c457e28aadc",
"sourceDex": "",
"destinationDex": "",
"token": "USDC:0x6d1e7cde53ba9467b783cb7c530ce054",
"amount": "4.912352",
"fromSubAccount": "",
"nonce": 1768146914372
},
"nonce": 1768146914372
}View this transaction on Hypurrscan
Field Reference
Action Fields
| Field | Type | Description |
|---|---|---|
type | string | Always "sendAsset" |
destination | string | Recipient address |
sourceDex | boolean | Source is DEX (vs bridge) |
destinationDex | boolean | Destination is DEX (vs bridge) |
token | string | Token to transfer |
amount | string | Amount to transfer |
fromSubAccount | boolean | Transfer from sub-account |
Use Cases
Cross-Account Transfers
Track asset movements:
def process_sendAsset_action(action):
destination = action.get('destination')
token = action.get('token')
amount = action.get('amount')
print(f"Asset transfer: {amount} {token} to {destination[:10]}...")