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use v5.26; |
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use Object::Pad; |
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package Blockchain::Ethereum::ABI::Type::Tuple 0.012; |
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class Blockchain::Ethereum::ABI::Type::Tuple |
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:isa(Blockchain::Ethereum::ABI::Type) |
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:does(Blockchain::Ethereum::ABI::TypeRole); |
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=encoding utf8 |
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=head1 NAME |
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Blockchain::Ethereum::ABI::Tuple - Interface for solidity tuple type |
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=head1 SYNOPSIS |
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Allows you to define and instantiate a solidity tuple type: |
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my $type = Blockchain::Ethereum::ABI::Tuple->new( |
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signature => $signature, |
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data => $value |
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); |
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$type->encode(); |
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In most cases you don't want to use this directly, use instead: |
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=over 4 |
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=item * B: L |
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=item * B: L |
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=back |
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=cut |
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use Carp; |
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8842
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method _configure { |
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return unless $self->data; |
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my @splited_signatures = $self->_split_tuple_signature->@*; |
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for (my $sig_index = 0; $sig_index < @splited_signatures; $sig_index++) { |
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push $self->_instances->@*, |
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Blockchain::Ethereum::ABI::Type->new( |
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signature => $splited_signatures[$sig_index], |
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data => $self->data->[$sig_index]); |
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} |
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} |
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method _split_tuple_signature { |
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# remove the parentheses from tuple signature |
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$self->signature =~ /^\((.*)\)$/; |
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my $tuple_signatures = $1; |
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croak "Invalid tuple signature" unless $tuple_signatures; |
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# this looks through tuple signature recursively and break it into lines |
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# this is to help splitting tuples inside tuples that also contains comma |
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$tuple_signatures =~ s/((\((?>[^)(]*(?2)?)*\))|[^,()]*)(*SKIP),/$1\n/g; |
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my @types = split('\n', $tuple_signatures); |
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return \@types; |
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} |
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=head2 encode |
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Encodes the given data to the type of the signature |
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Usage: |
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encode() -> encoded string |
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=over 4 |
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=back |
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ABI encoded hex string |
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=cut |
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method encode { |
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return $self->_encoded if $self->_encoded; |
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my $offset = $self->_get_initial_offset; |
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for my $instance ($self->_instances->@*) { |
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$instance->encode; |
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if ($instance->is_dynamic) { |
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$self->_push_static($self->_encode_offset($offset)); |
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$self->_push_dynamic($instance->_encoded); |
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$offset += scalar $instance->_encoded->@*; |
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next; |
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} |
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$self->_push_static($instance->_encoded); |
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} |
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return $self->_encoded; |
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} |
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=head2 decode |
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109
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Decodes the given data to the type of the signature |
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111
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Usage: |
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113
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decoded() -> array reference |
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=over 4 |
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=back |
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Array reference |
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=cut |
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123
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1
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method decode { |
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100
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unless (scalar $self->_instances->@* > 0) { |
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push $self->_instances->@*, Blockchain::Ethereum::ABI::Type->new(signature => $_) for $self->_split_tuple_signature->@*; |
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} |
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return $self->_read_stack_set_data; |
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} |
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method _static_size :override { |
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return 1 if $self->is_dynamic; |
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my $size = 1; |
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my $instance_size = 0; |
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for my $signature ($self->_split_tuple_signature->@*) { |
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my $instance = Blockchain::Ethereum::ABI::Type->new(signature => $signature); |
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$instance_size += $instance->_static_size // 0; |
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} |
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return $size * $instance_size; |
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} |
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1; |
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__END__ |