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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,150 @@ | ||
| import json | ||
| import sqlite3 | ||
| import uuid | ||
| from dataclasses import asdict, dataclass, field, fields | ||
| from pathlib import Path | ||
| from typing import Any, Optional | ||
|
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||
| from boa.util.abi import Address | ||
| from boa.util.open_ctx import Open | ||
|
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| """ | ||
| Module to handle deployment objects. When a contract is deployed in network | ||
| mode, we enter it into the deployments database so that it can be | ||
| queried/verified later. | ||
| This module could potentially be handled as plugin functionality / or left | ||
| as functionality for higher-level frameworks. | ||
| """ | ||
|
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| _session_id: str = None # type: ignore | ||
|
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|
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| # generate a unique session id, so that deployments can be queried by session | ||
| def get_session_id(): | ||
| global _session_id | ||
| if _session_id is None: | ||
| _session_id = str(uuid.uuid4()) | ||
| return _session_id | ||
|
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|
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| @dataclass(frozen=True) | ||
| class Deployment: | ||
| contract_address: Address # receipt_dict["createAddress"] | ||
| contract_name: str | ||
| rpc: str | ||
| deployer: Address # ostensibly equal to tx_dict["from"] | ||
| tx_hash: str | ||
| broadcast_ts: float # time the tx was broadcast | ||
| tx_dict: dict # raw tx fields | ||
| receipt_dict: dict # raw receipt fields | ||
| source_code: Optional[Any] # optional source code or bundle | ||
| session_id: str = field(default_factory=get_session_id) | ||
| deployment_id: Optional[int] = None # the db-assigned id - primary key | ||
|
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||
| def sql_values(self): | ||
| ret = asdict(self) | ||
| # sqlite doesn't have json, just dump to string | ||
| ret["tx_dict"] = json.dumps(ret["tx_dict"]) | ||
| ret["receipt_dict"] = json.dumps(ret["receipt_dict"]) | ||
| if ret["source_code"] is not None: | ||
| ret["source_code"] = json.dumps(ret["source_code"]) | ||
| return ret | ||
|
|
||
| def to_dict(self): | ||
| """ | ||
| Convert Deployment object to a dict, which is prepared to be | ||
| dumped to json. | ||
| """ | ||
| return asdict(self) | ||
|
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| def to_json(self, *args, **kwargs): | ||
| """ | ||
| Convert a Deployment object to a json object. *args and **kwargs | ||
| are forwarded to the `json.dumps()` call. | ||
| """ | ||
| return json.dumps(self.to_dict(), *args, **kwargs) | ||
|
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||
| @classmethod | ||
| def from_sql_tuple(cls, values): | ||
| assert len(values) == len(fields(cls)) | ||
| ret = dict(zip([field.name for field in fields(cls)], values)) | ||
| ret["contract_address"] = Address(ret["contract_address"]) | ||
| ret["deployer"] = Address(ret["deployer"]) | ||
| ret["tx_dict"] = json.loads(ret["tx_dict"]) | ||
| ret["receipt_dict"] = json.loads(ret["receipt_dict"]) | ||
| if ret["source_code"] is not None: | ||
| ret["source_code"] = json.loads(ret["source_code"]) | ||
| return cls(**ret) | ||
|
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|
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| _CREATE_CMD = """ | ||
| CREATE TABLE IF NOT EXISTS | ||
| deployments( | ||
| deployment_id integer primary key autoincrement, | ||
| session_id text, | ||
| contract_address text, | ||
| contract_name text, | ||
| rpc text, | ||
| deployer text, | ||
| tx_hash text, | ||
| broadcast_ts real, | ||
| tx_dict text, | ||
| receipt_dict text, | ||
| source_code text | ||
| ); | ||
| """ | ||
|
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|
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| class DeploymentsDB: | ||
| def __init__(self, path=":memory:"): | ||
| if path != ":memory:": # sqlite magic path | ||
| path = Path(path) | ||
| path.parent.mkdir(parents=True, exist_ok=True) | ||
|
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| # once 3.12 is min version, use autocommit=True | ||
| self.db = sqlite3.connect(path) | ||
|
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| self.db.execute(_CREATE_CMD) | ||
|
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| def __del__(self): | ||
| self.db.close() | ||
|
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| def insert_deployment(self, deployment: Deployment): | ||
| values = deployment.sql_values() | ||
|
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| values_placeholder = ",".join(["?"] * len(values)) | ||
| colnames = ",".join(values.keys()) | ||
|
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| insert_cmd = f"INSERT INTO deployments({colnames}) VALUES({values_placeholder})" | ||
|
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| self.db.execute(insert_cmd, tuple(values.values())) | ||
| self.db.commit() | ||
|
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| def _get_deployments_from_sql(self, sql_query: str, parameters=(), /): | ||
| cur = self.db.execute(sql_query, parameters) | ||
| ret = [Deployment.from_sql_tuple(item) for item in cur.fetchall()] | ||
| return ret | ||
|
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| def _get_fieldnames_str(self) -> str: | ||
| return ",".join(field.name for field in fields(Deployment)) | ||
|
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| def get_deployments(self) -> list[Deployment]: | ||
| fieldnames = self._get_fieldnames_str() | ||
| return self._get_deployments_from_sql(f"SELECT {fieldnames} FROM deployments") | ||
|
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| _db: Optional[DeploymentsDB] = None | ||
|
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| def set_deployments_db(db: Optional[DeploymentsDB]): | ||
| def set_(db): | ||
| global _db | ||
| _db = db | ||
|
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| return Open(get_deployments_db, set_, db) | ||
|
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|
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| def get_deployments_db(): | ||
| global _db | ||
| return _db |
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