canton-network-docs/SDKsdApp SDKAPI Reference

Errors

The dApp API adopts standardized error codes from EIP-1193 and EIP-1474. Branch on the code rather than the message string.

Error codes

Code	Message	Meaning
`4001`	User Rejected Request	The user rejected the request.
`4100`	Unauthorized	The requested method or account has not been authorized.
`4200`	Unsupported Method	The provider does not support the requested method.
`4900`	Disconnected	The provider is disconnected from all chains.
`4901`	Chain Disconnected	The provider is not connected to the requested chain.
`-32700`	Parse error	Invalid JSON.
`-32600`	Invalid request	JSON is not a valid request object.
`-32601`	Method not found	Method does not exist.
`-32602`	Invalid params	Invalid method parameters.
`-32603`	Internal error	Internal JSON-RPC error.

For the complete specification, see CIP-103.

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