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package Ethereum::RPC::Contract::ContractResponse; |
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use strict; |
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use warnings; |
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our $VERSION = '0.04'; |
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=head1 NAME |
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Ethereum::Contract::RPC::ContractResponse - Centralize contract response |
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=cut |
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use Moo; |
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use Encode; |
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use Math::BigInt; |
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use Math::BigFloat; |
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has response => (is => 'ro'); |
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=head2 to_big_int |
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Convert response to a Math::BigInt if not undef |
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Parameters: |
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hexadecimal response |
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Return: |
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new Math::BigInt |
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=cut |
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sub to_big_int { |
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my $self = shift; |
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return Math::BigInt->from_hex($self->response) if $self->response; |
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return undef; |
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} |
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=head2 to_big_float |
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Convert response to a Math::BigFloat if not undef |
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Parameters: |
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hexadecimal response |
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Return: |
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new Math::BigFloat |
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=cut |
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sub to_big_float { |
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my $self = shift; |
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return Math::BigFloat->from_hex($self->response) if $self->response; |
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0
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return undef; |
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} |
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=head2 to_string |
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Convert response to a string if not undef |
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Parameters: |
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hexadecimal response |
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Return: |
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string |
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=cut |
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sub to_string { |
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my $self = shift; |
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0
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return undef unless $self->response; |
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0
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my $packed_response = pack('H*', substr($self->response, -64)); |
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0
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$packed_response =~ s/\0+$//; |
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0
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return $packed_response; |
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} |
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=head2 to_hex |
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Convert response to a hexadecimal if not undef and is not already a hex |
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Parameters: |
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hexadecimal response |
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Return: |
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hexadecimal string |
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90
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=cut |
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sub to_hex { |
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my $self = shift; |
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0
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return undef unless $self->response; |
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0
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if ($self->response =~ /^0x[0-9A-F]+$/i) { |
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0
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return $self->response; |
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} |
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0
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return undef; |
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} |
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104
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1; |