Add SendAsset action with EIP-712 signing #155
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Implement sendAsset functionality using proper EIP-712 typed data signing, aligned with the Hyperliquid API and hyperliquid-python-sdk specification. Key changes: - Add SendAsset struct with EIP-712 implementation - Implement send_asset() method using sign_typed_data - Support all required parameters: destination, sourceDex, destinationDex, token, amount - Handle fromSubAccount for vault/subaccount transfers - Support mainnet/testnet chain selection - Set vault_address to None for sendAsset actions (handled in post method) - Add comprehensive tests for signing with mainnet/testnet and vault scenarios This follows the same pattern as usdClassTransfer, replacing legacy L1 action signing with EIP-712 typed data for proper API compatibility.
lmlmt
approved these changes
Oct 20, 2025
src/exchange/exchange_client.rs
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| // Build fromSubAccount string (similar to Python SDK) | ||
| let from_sub_account = if let Some(vault_addr) = self.vault_address { | ||
| format!("{:?}", vault_addr) |
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nit: `format!("{vault_addr:?}")
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Also this can be written as self.vault_address.map_or(String::new(), format!("{vault_addr:?}")
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Implement sendAsset functionality using proper EIP-712 typed data signing, aligned with the Hyperliquid API and hyperliquid-python-sdk specification.
Key changes:
This follows the same pattern as usdClassTransfer, replacing legacy L1 action signing with EIP-712 typed data for proper API compatibility.