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use v5.26; |
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use Object::Pad; |
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package Blockchain::Ethereum::ABI::Type::Int 0.012; |
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class Blockchain::Ethereum::ABI::Type::Int |
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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::Int - Interface for solidity uint/int/bool type |
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=head1 SYNOPSIS |
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Allows you to define and instantiate a solidity address type: |
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my $type = Blockchain::Ethereum::ABI::Int->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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2561
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use Carp; |
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690
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10680
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use Math::BigInt try => 'GMP'; |
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274809
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40
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205269
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use Scalar::Util qw(looks_like_number); |
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502
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use constant DEFAULT_INT_SIZE => 256; |
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9303
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154
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method _configure { return } |
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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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1
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method encode { |
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64
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87
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100
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195
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return $self->_encoded if $self->_encoded; |
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66
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39
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100
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96
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croak "Invalid numeric data @{[$self->data]}" unless looks_like_number($self->data); |
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2
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67
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68
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38
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91
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my $bdata = Math::BigInt->new($self->data); |
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70
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38
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50
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3420
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croak "Invalid numeric data @{[$self->data]}" if $bdata->is_nan; |
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0
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0
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71
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72
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38
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100
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66
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271
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croak "Invalid data length, signature: @{[$self->fixed_length]}, data length: @{[$bdata->length]}" |
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1
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5
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1
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6
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73
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if $self->fixed_length && $bdata->length > $self->fixed_length; |
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75
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37
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100
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119
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croak "Invalid negative numeric data @{[$self->data]}" |
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2
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8
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76
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if $bdata->is_neg && $self->signature =~ /^uint|bool/; |
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78
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35
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100
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100
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279
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croak "Invalid bool data it must be 1 or 0 but given @{[$self->data]}" |
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1
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100
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4
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79
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if !$bdata->is_zero && !$bdata->is_one && $self->signature =~ /^bool/; |
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81
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34
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365
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$self->_push_static($self->pad_left($bdata->to_hex)); |
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83
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34
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103
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return $self->_encoded; |
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} |
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86
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=head2 decode |
87
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88
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Decodes the given data to the type of the signature |
89
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90
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Usage: |
91
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92
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decoded() -> L |
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94
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=over 4 |
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96
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=back |
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98
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L |
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100
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=cut |
101
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102
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14
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14
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1
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25
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method decode { |
103
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104
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14
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32
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return Math::BigInt->from_hex($self->data->[0]); |
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} |
106
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107
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77
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77
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1
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771
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method fixed_length :override { |
108
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109
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77
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100
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179
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if ($self->signature =~ /[a-z](\d+)/) { |
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59
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336
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return $1; |
111
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} |
112
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18
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87
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return DEFAULT_INT_SIZE; |
113
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} |
114
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115
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1; |
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117
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__END__ |