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This commit is contained in:
callebtc
2022-09-17 11:15:29 +03:00
parent be326fcd33
commit aa265dc457
10 changed files with 157 additions and 127 deletions
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14
wallet/crud.py
View File

@@ -13,13 +13,12 @@ async def store_proof(
await (conn or db).execute(
"""
INSERT INTO proofs
(amount, C_x, C_y, secret)
VALUES (?, ?, ?, ?)
(amount, C, secret)
VALUES (?, ?, ?)
""",
(
proof.amount,
str(proof.C.x),
str(proof.C.y),
str(proof.C),
str(proof.secret),
),
)
@@ -55,13 +54,12 @@ async def invalidate_proof(
await (conn or db).execute(
"""
INSERT INTO proofs_used
(amount, C_x, C_y, secret)
VALUES (?, ?, ?, ?)
(amount, C, secret)
VALUES (?, ?, ?)
""",
(
proof.amount,
str(proof.C.x),
str(proof.C.y),
str(proof.C),
str(proof.secret),
),
)

6
wallet/migrations.py
View File

@@ -17,8 +17,7 @@ async def m001_initial(db: Database):
"""
CREATE TABLE IF NOT EXISTS proofs (
amount INTEGER NOT NULL,
C_x TEXT NOT NULL,
C_y TEXT NOT NULL,
C TEXT NOT NULL,
secret TEXT NOT NULL,
UNIQUE (secret)
@@ -31,8 +30,7 @@ async def m001_initial(db: Database):
"""
CREATE TABLE IF NOT EXISTS proofs_used (
amount INTEGER NOT NULL,
C_x TEXT NOT NULL,
C_y TEXT NOT NULL,
C TEXT NOT NULL,
secret TEXT NOT NULL,
UNIQUE (secret)

21
wallet/wallet.py
View File

@@ -2,11 +2,10 @@ import random
from typing import List
import requests
from ecc.curve import Point, secp256k1
from core.secp import PublicKey
import core.b_dhke as b_dhke
from core.base import (
BasePoint,
BlindedMessage,
MintPayloads,
Proof,
@@ -29,7 +28,8 @@ class LedgerAPI:
def _get_keys(url):
resp = requests.get(url + "/keys").json()
return {
int(amt): Point(val["x"], val["y"], secp256k1) for amt, val in resp.items()
int(amt): PublicKey(bytes.fromhex(val), raw=True)
for amt, val in resp.items()
}
@staticmethod
@@ -46,10 +46,9 @@ class LedgerAPI:
"""Returns proofs of promise from promises."""
proofs = []
for promise, (r, secret) in zip(promises, secrets):
C_ = Point(promise.C_.x, promise.C_.y, secp256k1)
C_ = PublicKey(bytes.fromhex(promise.C_), raw=True)
C = b_dhke.step3_bob(C_, r, self.keys[promise.amount])
c_point = BasePoint(x=C.x, y=C.y)
proof = Proof(amount=promise.amount, C=c_point, secret=secret)
proof = Proof(amount=promise.amount, C=C.serialize().hex(), secret=secret)
proofs.append(proof)
return proofs
@@ -63,13 +62,14 @@ class LedgerAPI:
payloads: MintPayloads = MintPayloads()
secrets = []
rs = []
for i, amount in enumerate(amounts):
for amount in amounts:
secret = str(random.getrandbits(128))
secrets.append(secret)
B_, r = b_dhke.step1_bob(secret)
rs.append(r)
blinded_point = BasePoint(x=str(B_.x), y=str(B_.y))
payload: BlindedMessage = BlindedMessage(amount=amount, B_=blinded_point)
payload: BlindedMessage = BlindedMessage(
amount=amount, B_=B_.serialize().hex()
)
payloads.blinded_messages.append(payload)
promises_dict = requests.post(
self.url + "/mint",
@@ -94,9 +94,8 @@ class LedgerAPI:
secret = str(random.getrandbits(128))
B_, r = b_dhke.step1_bob(secret)
secrets.append((r, secret))
blinded_point = BasePoint(x=str(B_.x), y=str(B_.y))
payload: BlindedMessage = BlindedMessage(
amount=output_amt, B_=blinded_point
amount=output_amt, B_=B_.serialize().hex()
)
payloads.blinded_messages.append(payload)
split_payload = SplitPayload(proofs=proofs, amount=amount, output_data=payloads)