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rfunduk/amino_to_bech32.rb

Last active July 18, 2018 01:02
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Using bitcoin-ruby to convert from Cosmos Amino encoded public key values to bech32.
Raw
amino_to_bech32.rb
# Prerequisites:
# gem install bitcoin-ruby
require 'bitcoin'
def amino_to_bech32( base64_pubkey_value )
bytes = [
*["1624DE6420"].pack('H*').bytes,
*Base64.decode64( base64_pubkey_value ).bytes
]
Bitcoin::Bech32.encode(
'cosmosvalpub',
Bitcoin::Bech32.convert_bits(
bytes,
from_bits: 8, to_bits: 5, pad: true
)
)
end
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