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feat(python/stellar): update for stellar protobuf changes

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This commit is contained in:
matejcik 2021-09-08 14:50:29 +02:00 committed by matejcik
parent 1b601b3e08
commit 0a0b75378d
1 changed files with 19 additions and 25 deletions
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44
python/src/trezorlib/stellar.py
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@ -52,18 +52,6 @@ except ImportError:
HAVE_STELLAR_SDK = False
DEFAULT_NETWORK_PASSPHRASE = "Public Global Stellar Network ; September 2015"
# Memo types
MEMO_TYPE_NONE = 0
MEMO_TYPE_TEXT = 1
MEMO_TYPE_ID = 2
MEMO_TYPE_HASH = 3
MEMO_TYPE_RETURN = 4
# Asset types
ASSET_TYPE_NATIVE = 0
ASSET_TYPE_ALPHA4 = 1
ASSET_TYPE_ALPHA12 = 2
DEFAULT_BIP32_PATH = "m/44h/148h/0h"
# Stellar's BIP32 differs to Bitcoin's see https://github.com/stellar/stellar-protocol/blob/master/ecosystem/sep-0005.md
@ -89,19 +77,19 @@ def from_envelope(envelope: "TransactionEnvelope"):
memo = parsed_tx.memo
if isinstance(memo, TextMemo):
# memo_text is specified as UTF-8 string, but returned as bytes from the XDR parser
tx.memo_type = MEMO_TYPE_TEXT
tx.memo_type = messages.StellarMemoType.TEXT
tx.memo_text = memo.memo_text.decode("utf-8")
elif isinstance(memo, IdMemo):
tx.memo_type = MEMO_TYPE_ID
tx.memo_type = messages.StellarMemoType.ID
tx.memo_id = memo.memo_id
elif isinstance(memo, HashMemo):
tx.memo_type = MEMO_TYPE_HASH
tx.memo_type = messages.StellarMemoType.HASH
tx.memo_hash = memo.memo_hash
elif isinstance(memo, ReturnHashMemo):
tx.memo_type = MEMO_TYPE_RETURN
tx.memo_type = messages.StellarMemoType.RETURN
tx.memo_hash = memo.memo_return
else:
tx.memo_type = MEMO_TYPE_NONE
tx.memo_type = messages.StellarMemoType.NONE
tx.num_operations = len(parsed_tx.operations)
operations = [_read_operation(op) for op in parsed_tx.operations]
@ -181,7 +169,7 @@ def _read_operation(op: "Operation"):
signer_key = op.signer.signer_key.signer_key.pre_auth_tx.uint256
else:
raise ValueError("Unsupported signer key type")
operation.signer_type = signer_type.value
operation.signer_type = messages.StellarSignerType(signer_type.value)
operation.signer_key = signer_key
operation.signer_weight = op.signer.weight
return operation
@ -198,7 +186,9 @@ def _read_operation(op: "Operation"):
):
raise ValueError("Unsupported trust line flag")
asset_type = (
ASSET_TYPE_ALPHA4 if len(op.asset_code) <= 4 else ASSET_TYPE_ALPHA12
messages.StellarAssetType.ALPHANUM4
if len(op.asset_code) <= 4
else messages.StellarAssetType.ALPHANUM12
)
return messages.StellarAllowTrustOp(
source_account=source_account,
@ -238,17 +228,21 @@ def _read_price(price: Union["Price", str, Decimal]) -> "Price":
return Price.from_raw_price(price)
def _read_asset(asset: "Asset") -> messages.StellarAssetType:
def _read_asset(asset: "Asset") -> messages.StellarAsset:
"""Reads a stellar Asset from unpacker"""
if asset.is_native():
return messages.StellarAssetType(type=ASSET_TYPE_NATIVE)
return messages.StellarAsset(type=messages.StellarAssetType.NATIVE)
if asset.guess_asset_type() == "credit_alphanum4":
return messages.StellarAssetType(
type=ASSET_TYPE_ALPHA4, code=asset.code, issuer=asset.issuer
return messages.StellarAsset(
type=messages.StellarAssetType.ALPHANUM4,
code=asset.code,
issuer=asset.issuer,
)
if asset.guess_asset_type() == "credit_alphanum12":
return messages.StellarAssetType(
type=ASSET_TYPE_ALPHA12, code=asset.code, issuer=asset.issuer
return messages.StellarAsset(
type=messages.StellarAssetType.ALPHANUM12,
code=asset.code,
issuer=asset.issuer,
)
raise ValueError("Unsupported asset type")