base/lib/stellar/transaction_v0.rb
module Stellar
class TransactionV0
include Stellar::Concerns::Transaction
def to_v1
Transaction.new(
**attributes.except(:source_account_ed25519, :time_bounds),
cond: Stellar::Preconditions.new(:precond_time, time_bounds),
source_account: source_account
)
end
def to_envelope(*key_pairs)
signatures = (key_pairs || []).map(&method(:sign_decorated))
TransactionEnvelope.v0(signatures: signatures, tx: self)
end
def signature_base_prefix
val = Stellar::EnvelopeType.envelope_type_tx_v0
Stellar.current_network_id + Stellar::EnvelopeType.to_xdr(val)
end
# Backwards Compatibility: Use ENVELOPE_TYPE_TX to sign ENVELOPE_TYPE_TX_V0
# we need a Transaction to generate the signature base
def signature_base
tx = Stellar::Transaction.from_xdr(
# TransactionV0 is a transaction with the AccountID discriminant
# stripped off, we need to put it back to build a valid transaction
# which we can use to build a TransactionSignaturePayloadTaggedTransaction
Stellar::PublicKeyType.to_xdr(Stellar::PublicKeyType.public_key_type_ed25519) + to_xdr
)
tagged_tx = Stellar::TransactionSignaturePayload::TaggedTransaction.new(:envelope_type_tx, tx)
Stellar::TransactionSignaturePayload.new(
network_id: Stellar.current_network_id,
tagged_transaction: tagged_tx
).to_xdr
end
def source_account
Stellar::MuxedAccount.ed25519(source_account_ed25519)
end
end
end