Class: PolarLoop::ContractCaller

Inherits:
Object
  • Object
show all
Defined in:
lib/polarloop/contract_caller.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(chain_config:, key:) ⇒ ContractCaller

Returns a new instance of ContractCaller.



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# File 'lib/polarloop/contract_caller.rb', line 16

def initialize(chain_config:, key:)
  @chain_config = chain_config
  @key = key
  @eth_client = Eth::Client.create(chain_config.rpc_url)
  @contract = Eth::Contract.from_abi(
    name: "PolarLoop",
    address: chain_config.contract_address,
    abi: Abi.abi
  )
  @gas_strategy = GasStrategy.new(chain_config.chain_id, @eth_client)
end

Instance Attribute Details

#contract ⇒ Object (readonly)

Returns the value of attribute contract.



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# File 'lib/polarloop/contract_caller.rb', line 14

def contract
  @contract
end

#eth_client ⇒ Object (readonly)

Returns the value of attribute eth_client.



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# File 'lib/polarloop/contract_caller.rb', line 14

def eth_client
  @eth_client
end

Instance Method Details

#call_view(function_name, *args) ⇒ Object 



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# File 'lib/polarloop/contract_caller.rb', line 28

def call_view(function_name, *args)
  result = @eth_client.call(@contract, function_name, *args)
  raise RpcError, "Empty response from node in call_view: #{function_name}" if result.nil?
  result
rescue Eth::Client::ContractExecutionError => e
  raise ContractRevertError, e.message
rescue Eth::Client::RpcError => e
  raise_from_rpc_error(e)
rescue Errno::ECONNREFUSED => e
  raise RpcError, "RPC connection failed: #{e.message}"
rescue JSON::ParserError
  raw = Thread.current[:polarloop_last_raw_response]
  raise RpcError, "RPC connection failed: #{raw || 'non-JSON response from node'}"
rescue NoMethodError => e
  raise RpcError, "Unexpected node response in call_view: #{e.message}"
end

#get_logs(topics:, from_block:, to_block:) ⇒ Object 



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# File 'lib/polarloop/contract_caller.rb', line 110

def get_logs(topics:, from_block:, to_block:)
  filter = {
    address: @chain_config.contract_address,
    topics: topics,
    fromBlock: hex_block(from_block),
    toBlock: hex_block(to_block)
  }
  response = @eth_client.eth_get_logs(filter)
  response["result"] || []
rescue IOError, Errno::ECONNREFUSED => e
  raise RpcError, "RPC connection failed: #{e.message}"
rescue JSON::ParserError
  raw = Thread.current[:polarloop_last_raw_response]
  raise RpcError, "RPC connection failed: #{raw || 'non-JSON response from node'}"
end

#get_transaction_receipt(tx_hash) ⇒ Object 



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# File 'lib/polarloop/contract_caller.rb', line 126

def get_transaction_receipt(tx_hash)
  @eth_client.eth_get_transaction_receipt(tx_hash)
end

#latest_block_number ⇒ Object 



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# File 'lib/polarloop/contract_caller.rb', line 98

def latest_block_number
  response = @eth_client.eth_block_number
  response["result"].to_i(16)
rescue IOError, Errno::ECONNREFUSED => e
  raise RpcError, "RPC connection failed: #{e.message}"
rescue JSON::ParserError
  raw = Thread.current[:polarloop_last_raw_response]
  raise RpcError, "RPC connection failed: #{raw || 'non-JSON response from node'}"
rescue NoMethodError => e
  raise RpcError, "Unexpected node response in latest_block_number: #{e.message}"
end

#send_batch_tx(function_name, *args) ⇒ Object 



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# File 'lib/polarloop/contract_caller.rb', line 68

def send_batch_tx(function_name, *args)
  simulation = @eth_client.call(@contract, function_name, *args)
  batch_results = Types::BatchResult.from_abi_array(
    simulation.is_a?(Array) ? simulation : [simulation]
  )

  gas = estimate_gas(function_name, *args)
  tx_hash, _success = @eth_client.transact_and_wait(
    @contract,
    function_name,
    *args,
    **tx_opts,
    gas_limit: gas
  )
  result = build_tx_result(tx_hash)
  result.batch_results = batch_results
  result
rescue Eth::Client::ContractExecutionError => e
  raise ContractRevertError, e.message
rescue Eth::Client::RpcError => e
  raise_from_rpc_error(e)
rescue Errno::ECONNREFUSED => e
  raise RpcError, "RPC connection failed: #{e.message}"
rescue JSON::ParserError
  raw = Thread.current[:polarloop_last_raw_response]
  raise RpcError, "RPC connection failed: #{raw || 'non-JSON response from node'}"
rescue NoMethodError => e
  raise RpcError, "Unexpected node response in send_batch_tx: #{e.message}"
end

#send_tx(function_name, *args) ⇒ Object 



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# File 'lib/polarloop/contract_caller.rb', line 45

def send_tx(function_name, *args)
  gas = estimate_gas(function_name, *args)
  tx_hash, _success = @eth_client.transact_and_wait(
    @contract,
    function_name,
    *args,
    **tx_opts,
    gas_limit: gas
  )
  build_tx_result(tx_hash)
rescue Eth::Client::ContractExecutionError => e
  raise ContractRevertError, e.message
rescue Eth::Client::RpcError => e
  raise_from_rpc_error(e)
rescue Errno::ECONNREFUSED => e
  raise RpcError, "RPC connection failed: #{e.message}"
rescue JSON::ParserError
  raw = Thread.current[:polarloop_last_raw_response]
  raise RpcError, "RPC connection failed: #{raw || 'non-JSON response from node'}"
rescue NoMethodError => e
  raise RpcError, "Unexpected node response in send_tx: #{e.message}"
end