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#66/ Deserializing of events from flow_proto fails with transactions with many events #67

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#66/ Deserializing of events from flow_proto fails with transactions with many events #67

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3a49202
Debugging events decoding
lealobanov Oct 25, 2024
3a5433d
Clean up logs
lealobanov Oct 25, 2024
402e0f9
Clean up
lealobanov Oct 28, 2024
a6df9dd
Clean up logging
lealobanov Oct 28, 2024
7e67d9b
Delete myenv directory
lealobanov Oct 28, 2024
51edd23
Lint
lealobanov Oct 28, 2024
8f8b88d
Merge branch 'bug-66' of https://github.com/janezpodhostnik/flow-py-s…
lealobanov Oct 28, 2024
f9f4dc6
Raise exception instead of skipping decoding event when failure
lealobanov Oct 31, 2024
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19 changes: 19 additions & 0 deletions examples/transactions_examples.py
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Original file line number Diff line number Diff line change
Expand Up @@ -281,3 +281,22 @@ async def run(self, ctx: Config):
f"transaction proposer: {transaction.proposal_key.address.hex()}"
)
self.log.info(f"transaction script: {transaction.script.decode('utf-8')}")


class DebuggingFetchTransactionByIdExample(Example):
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Added example which makes a mainnet call to the failing tx ID ef6e6dcba87c5f853e0ec940dd382d609ffe11109c28ed239843d71618fa1d71, will remove this before merging changes

def __init__(self) -> None:
super().__init__(tag="T.LL.", name="DebuggingFetchTransactionByIdExample", sort_order=501)

async def run(self, ctx: Config):
# First Step : Create a client to connect to the flow blockchain
# flow_client function creates a client using the host and port
async with flow_client(
# host=ctx.access_node_host, port=ctx.access_node_port
host="access.mainnet.nodes.onflow.org", port=9000
) as client:
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tx_id = "ef6e6dcba87c5f853e0ec940dd382d609ffe11109c28ed239843d71618fa1d71"

transaction = await client.get_transaction_result(id=bytes.fromhex(tx_id))

print(f"Transaction ID: {tx_id}")
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291 changes: 291 additions & 0 deletions failed_events.json
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This is an output of the failing event payloads for reference, will remove before merging changes

Original file line number Diff line number Diff line change
@@ -0,0 +1,291 @@
[
{
"value": {
"id": "flow.AccountCapabilityControllerIssued",
"fields": [
{
"name": "id",
"value": {
"value": "3",
"type": "UInt64"
}
},
{
"name": "address",
"value": {
"value": "0x646997908e65fb70",
"type": "Address"
}
},
{
"name": "type",
"value": {
"value": {
"staticType": {
"type": {
"kind": "Account"
},
"kind": "Reference",
"authorization": {
"kind": "EntitlementConjunctionSet",
"entitlements": [
{ "kind": "Entitlement", "typeID": "Storage" },
{ "kind": "Entitlement", "typeID": "Contracts" },
{ "kind": "Entitlement", "typeID": "Keys" },
{ "kind": "Entitlement", "typeID": "Inbox" },
{ "kind": "Entitlement", "typeID": "Capabilities" }
]
}
}
},
"type": "Type"
}
}
]
},
"type": "Event"
},
{
"value": {
"id": "flow.StorageCapabilityControllerIssued",
"fields": [
{
"name": "id",
"value": {
"value": "148",
"type": "UInt64"
}
},
{
"name": "address",
"value": {
"value": "0x0342200ce19810f6",
"type": "Address"
}
},
{
"name": "type",
"value": {
"value": {
"staticType": {
"type": {
"type": "",
"kind": "Resource",
"typeID": "A.befbaccb5032a457.ContractManager.Manager",
"fields": [
{ "type": { "kind": "UInt64" }, "id": "uuid" },
{
"type": {
"type": {
"kind": "Account"
},
"kind": "Reference",
"authorization": {
"kind": "EntitlementConjunctionSet",
"entitlements": [
{ "kind": "Entitlement", "typeID": "Storage" },
{ "kind": "Entitlement", "typeID": "Contracts" },
{ "kind": "Entitlement", "typeID": "Keys" },
{ "kind": "Entitlement", "typeID": "Inbox" },
{ "kind": "Entitlement", "typeID": "Capabilities" }
]
}
},
"kind": "Capability",
"id": "acct"
},
{
"type": {
"type": {
"type": "",
"kind": "Resource",
"typeID": "A.707c0b39a8d689cb.FungibleTokenRouter.Router",
"fields": [
{ "type": { "kind": "UInt64" }, "id": "uuid" },
{ "type": { "kind": "Address" }, "id": "defaultAddress" },
{
"type": {
"key": { "kind": "String" },
"value": { "kind": "Address" },
"kind": "Dictionary"
},
"id": "addressOverrides"
}
]
},
"kind": "Reference",
"authorization": {
"kind": "EntitlementConjunctionSet",
"entitlements": [
{
"kind": "Entitlement",
"typeID": "A.707c0b39a8d689cb.FungibleTokenRouter.Owner"
}
]
}
},
"kind": "Capability",
"id": "routerCap"
},
{
"type": {
"key": { "kind": "String" },
"value": { "kind": "AnyStruct" },
"kind": "Dictionary"
},
"id": "data"
},
{
"type": {
"key": { "kind": "String" },
"value": { "kind": "AnyResource" },
"kind": "Dictionary"
},
"id": "resources"
}
]
},
"kind": "Reference",
"authorization": {
"kind": "Unauthorized",
"entitlements": null
}
}
},
"type": "Type"
}
},
{
"name": "path",
"value": {
"value": {
"domain": "storage",
"identifier": "ContractManager_0xbefbaccb5032a457"
},
"type": "Path"
}
}
]
},
"type": "Event"
},
{
"value": {
"id": "flow.CapabilityPublished",
"fields": [
{
"name": "address",
"value": {
"value": "0x0342200ce19810f6",
"type": "Address"
}
},
{
"name": "path",
"value": {
"value": {
"domain": "public",
"identifier": "ContractManager_0xbefbaccb5032a457"
},
"type": "Path"
}
},
{
"name": "capability",
"value": {
"value": {
"borrowType": {
"type": {
"type": "",
"kind": "Resource",
"typeID": "A.befbaccb5032a457.ContractManager.Manager",
"fields": [
{ "type": { "kind": "UInt64" }, "id": "uuid" },
{
"type": {
"type": {
"kind": "Account"
},
"kind": "Reference",
"authorization": {
"kind": "EntitlementConjunctionSet",
"entitlements": [
{ "kind": "Entitlement", "typeID": "Storage" },
{ "kind": "Entitlement", "typeID": "Contracts" },
{ "kind": "Entitlement", "typeID": "Keys" },
{ "kind": "Entitlement", "typeID": "Inbox" },
{ "kind": "Entitlement", "typeID": "Capabilities" }
]
}
},
"kind": "Capability",
"id": "acct"
},
{
"type": {
"type": {
"type": "",
"kind": "Resource",
"typeID": "A.707c0b39a8d689cb.FungibleTokenRouter.Router",
"fields": [
{ "type": { "kind": "UInt64" }, "id": "uuid" },
{ "type": { "kind": "Address" }, "id": "defaultAddress" },
{
"type": {
"key": { "kind": "String" },
"value": { "kind": "Address" },
"kind": "Dictionary"
},
"id": "addressOverrides"
}
]
},
"kind": "Reference",
"authorization": {
"kind": "EntitlementConjunctionSet",
"entitlements": [
{
"kind": "Entitlement",
"typeID": "A.707c0b39a8d689cb.FungibleTokenRouter.Owner"
}
]
}
},
"kind": "Capability",
"id": "routerCap"
},
{
"type": {
"key": { "kind": "String" },
"value": { "kind": "AnyStruct" },
"kind": "Dictionary"
},
"id": "data"
},
{
"type": {
"key": { "kind": "String" },
"value": { "kind": "AnyResource" },
"kind": "Dictionary"
},
"id": "resources"
}
]
},
"kind": "Reference",
"authorization": {
"kind": "Unauthorized",
"entitlements": null
}
},
"address": "0x0342200ce19810f6",
"id": "148"
},
"type": "Capability"
}
}
]
},
"type": "Event"
}
]
2 changes: 2 additions & 0 deletions flow_py_sdk/cadence/constants.py
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Original file line number Diff line number Diff line change
Expand Up @@ -65,6 +65,8 @@
inclusiveRangeTypeStr = "InclusiveRange"
capabilityTypeStr = "Capability"
functionTypeStr = "Function"
entitlementConjunctionSetStr = "EntitlementConjunctionSet"
entitlementKey = "Entitlement"
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fix64_scale = int(8)
fix64_factor = int(100_000_000)
7 changes: 7 additions & 0 deletions flow_py_sdk/cadence/decode.py
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Expand Up @@ -42,6 +42,13 @@ def decode(obj: [dict[Any, Any]]) -> Union[Value, Kind]:
decoder = _cadence_decoders[type_]
return decoder(obj)

# Recursively handle nested dictionaries and lists
for key, value in obj.items():
if isinstance(value, dict):
obj[key] = decode(value)
elif isinstance(value, list):
obj[key] = [decode(item) for item in value]

raise NotImplementedError()


Expand Down
16 changes: 9 additions & 7 deletions flow_py_sdk/cadence/kinds.py
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Expand Up @@ -350,13 +350,15 @@ def __init__(self, entitlements: list[EntitlementBaseKind]) -> None:

@classmethod
def decode(cls, value) -> "Kind":
entitlements_val = value[c.entitlementsKey]
entitlements = [
decode(v).as_kind(EntitlementBaseKind) for v in entitlements_val
]
return cls(
entitlements,
)
try:
entitlements_val = value[c.entitlementsKey]
entitlements = [
decode(v).as_kind(EntitlementBaseKind) for v in entitlements_val
]
return cls(entitlements)
except Exception as e:
print(f"Error decoding entitlements for {cls.kind_str()}: {value}. Error: {e}")
return None

def encode_kind(self) -> dict:
return {c.entitlementsKey: [e.encode() for e in self.entitlements]}
Expand Down
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