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-rw-r--r--src/exchangedb/exchange-0001.sql3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/exchangedb/exchange-0001.sql b/src/exchangedb/exchange-0001.sql
index ad05e7797..25b778238 100644
--- a/src/exchangedb/exchange-0001.sql
+++ b/src/exchangedb/exchange-0001.sql
@@ -168,7 +168,8 @@ CREATE INDEX IF NOT EXISTS reserves_out_for_get_withdraw_info
CREATE TABLE IF NOT EXISTS known_coins
- (coin_pub BYTEA NOT NULL PRIMARY KEY CHECK (LENGTH(coin_pub)=32)
+ (known_coin_id BIGSERIAL UNIQUE
+ ,coin_pub BYTEA NOT NULL PRIMARY KEY CHECK (LENGTH(coin_pub)=32)
,denom_pub_hash BYTEA NOT NULL REFERENCES denominations (denom_pub_hash) ON DELETE CASCADE
,denom_sig BYTEA NOT NULL
);