Railgun Unshield
Unshield ERC20 tokens from Railgun private balance to public address (generates ZK proof, ~20-30s). Requires turnkey (for gas) and railgun (for mnemonic) connectors.
Catalog action EVM Onchain wallet Gas receive
Unshield ERC20 tokens from Railgun private balance to public address (generates ZK proof, ~20-30s). Requires turnkey (for gas) and railgun (for mnemonic) connectors.
This action can require a wallet connector, gas, token movement, or an external side effect. Test with simulation or a controlled amount before using it in a live workflow.
At a Glance
| Field | Value |
|---|---|
| Action ID | railgun-unshield |
| Category | EVM Onchain |
| Connector | wallet |
| Requires gas | Yes |
| Funds movement | receive |
| Tags | blockchain, privacy, railgun, unshield, zk |
Payload Schema
| Field | Type | Required | Description |
|---|---|---|---|
chainId | number | Yes | Chain ID. Supported: Ethereum (1), BNB Chain (56), Polygon (137), Arbitrum (42161) |
tokenAddress | string | Yes | ERC20 token contract address to unshield |
amount | string | Yes | Amount to unshield in smallest unit (wei) as string |
recipientAddress | string | Yes | Public recipient address (0x...) |
Result Schema
| Field | Type | Required | Description |
|---|---|---|---|
status | string | Yes | - |
transactionHash | string | No | Transaction hash of the unshield operation |
blockNumber | number | No | Block number where the transaction was confirmed |
gasUsed | string | No | Gas used for the unshield transaction |
proofTime | number | No | Time taken to generate ZK proof in milliseconds |
Examples
json{ "type": "railgun-unshield", "payload": { "chainId": 1, "tokenAddress": "0x0000000000000000000000000000000000000000", "amount": "1000000", "recipientAddress": "0x0000000000000000000000000000000000000000" }, "children": [], "connector": { "type": "wallet", "id": "conn_wallet" }}
bashcurl -X POST "https://api.b3os.org/v1/actions/railgun-unshield/test" \ -H "Authorization: Bearer YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "inputs": { "chainId": 1, "tokenAddress": "0x0000000000000000000000000000000000000000", "amount": "1000000", "recipientAddress": "0x0000000000000000000000000000000000000000" }}'
Payload fields can use workflow expressions such as {{$trigger.body.amount}}, {{$nodes.fetch.result.price}}, and {{$props.asset}} when the value should come from a trigger, prior node, or reusable workflow prop.