Class: SafeEthRuby::Protocol

Inherits:
Object
  • Object
show all
Defined in:
lib/safe_eth_ruby/protocol.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(signer:, chain_id:, safe_address:, rpc:) ⇒ Protocol

Returns a new instance of Protocol.



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# File 'lib/safe_eth_ruby/protocol.rb', line 9

def initialize(signer:, chain_id:, safe_address:, rpc:)
  puts SafeEthRuby.inspect
  @signer = signer
  @chain_id = chain_id
  @safe_address = safe_address
  @safe_api = TransactionServiceApi.new(chain_id:, safe_address:)
  @contract = Contract.new(safe_address:, rpc:)
end

Instance Attribute Details

#chain_id ⇒ Object (readonly)

Returns the value of attribute chain_id.



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# File 'lib/safe_eth_ruby/protocol.rb', line 7

def chain_id
  @chain_id
end

#safe_address ⇒ Object (readonly)

Returns the value of attribute safe_address.



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# File 'lib/safe_eth_ruby/protocol.rb', line 7

def safe_address
  @safe_address
end

#safe_api ⇒ Object (readonly)

Returns the value of attribute safe_api.



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# File 'lib/safe_eth_ruby/protocol.rb', line 7

def safe_api
  @safe_api
end

#signer ⇒ Object (readonly)

Returns the value of attribute signer.



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# File 'lib/safe_eth_ruby/protocol.rb', line 7

def signer
  @signer
end

Instance Method Details

#build_transaction(encoded_data) ⇒ Object 



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# File 'lib/safe_eth_ruby/protocol.rb', line 46

def build_transaction(encoded_data)
  {
    to: "0x998739BFdAAdde7C933B942a68053933098f9EDa",
    value: 0,
    data: encoded_data,
    operation: 1,
    baseGas: 0,
    gasPrice: 0,
    gasToken: "0x0000000000000000000000000000000000000000",
    refundReceiver: "0x0000000000000000000000000000000000000000",
    nonce: @contract.nonce,
    safeTxGas: 0,
  }
end

#create_transaction(txs) ⇒ Object

Creates a consolidated transaction for all given individual transactions



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# File 'lib/safe_eth_ruby/protocol.rb', line 19

def create_transaction(txs)
  data = Util.encode_multi_send_data(txs)
  encoded_data = Util.encode_function_data(function_name: "multiSend", abi: "bytes", data: data)
  transaction = build_transaction(encoded_data)

  tx_hash = transaction_hash(transaction)
  signature = sign_hash(tx_hash)

  result = @safe_api.multisig_transaction(
    to: transaction[:to],
    value: transaction[:value],
    data: transaction[:data],
    operation: transaction[:operation],
    nonce: transaction[:nonce],
    gasToken: transaction[:gasToken],
    baseGas: transaction[:baseGas],
    gasPrice: transaction[:gasPrice],
    safeTxGas: transaction[:safeTxGas],
    refundReceiver: transaction[:refundReceiver],
    contractTransactionHash: "0x#{Eth::Util.bin_to_hex(tx_hash)}",
    sender: @signer.address.to_s,
    signature: "0x#{signature}",
  )

  result.merge({ tx_hash: "0x#{Eth::Util.bin_to_hex(tx_hash)}" })
end

#sign_hash(tx_hash) ⇒ Object 



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# File 'lib/safe_eth_ruby/protocol.rb', line 65

def sign_hash(tx_hash)
  Util.adjust_v_in_signature(@signer.personal_sign(tx_hash))
end

#transaction_hash(transaction) ⇒ Object 



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# File 'lib/safe_eth_ruby/protocol.rb', line 61

def transaction_hash(transaction)
  Eip712.build(transaction, @chain_id, @safe_address)
end