Contract caller

[blockchain/ethereum/Contract caller]

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Calls a non-altering (query) method on a smart contract

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Keywords: smart contract, query, call

Input ports

• contract address: any

• method name: any

• parameters: any[]

  Parameters as array

• alters: any

• abi: any

• credentials:

  {
    "contract parameters": {
      "contract address": string,
      "abi": {string: any}[],
      "method name": string,
      "parameters": any[],
      "alters": boolean
    },
    "web3_credentials": {"providerUrl": string, "privateKey": string},
    optional "transaction parameters": {string: any}
  }["web3 credentials"]

Output ports

• out: any

• error: {"error": string}