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rpc

Invoke an RPC call to the node in the format: cargo contract rpc [Options] METHOD [PARAMS]

e.g.

cargo contract rpc author_insertKey '"sr25"' '"//ALICE"' \
      5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY

 cargo contract rpc author_hasKey
     5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY '"sr25"' \

account can be provided as ss58 address: 5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY or in hex: 0xd43593c715fdd31c61141abd04a99fd6822c8558854ccde39a5684e7a56da27d

Some of the commands require SS58 address in the string format:

cargo contract rpc system_accountNextIndex \
     '"5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY"'

Command using a sequence as a parameter:

cargo contract rpc state_getReadProof \
      '(0x4b9cce91a924c0f4d469b3d62e02f9682079560c6cfc45c1a9498812dfff4b3a)'

Optional

  • --url the url of the rpc endpoint you want to specify - by default ws://localhost:9944.
  • --config the chain config to be used as part of the call - by default Polkadot.
  • --chain the name of a production chain to be communicated with, conflicts with --url and --config.
  • --output-json to export the output as JSON.