cascade delete and unique constraints

indexer/migrations/20230523_create_schema.sql

@@ -8,10 +8,10 @@ CREATE DOMAIN UINT256 AS NUMERIC
 
 CREATE TABLE IF NOT EXISTS l1_block_headers (
     -- Searchable fields
-	hash        VARCHAR NOT NULL PRIMARY KEY,
-	parent_hash VARCHAR NOT NULL,
-	number      UINT256 NOT NULL,
-	timestamp   INTEGER NOT NULL CHECK (timestamp > 0),
+    hash        VARCHAR PRIMARY KEY,
+    parent_hash VARCHAR NOT NULL UNIQUE,
+    number      UINT256 NOT NULL UNIQUE,
+    timestamp   INTEGER NOT NULL UNIQUE CHECK (timestamp > 0),
 
     -- Raw Data
     rlp_bytes VARCHAR NOT NULL
@@ -19,10 +19,10 @@ CREATE TABLE IF NOT EXISTS l1_block_headers (
 
 CREATE TABLE IF NOT EXISTS l2_block_headers (
     -- Searchable fields
-	hash                     VARCHAR NOT NULL PRIMARY KEY,
-	parent_hash              VARCHAR NOT NULL,
-	number                   UINT256 NOT NULL,
-	timestamp                INTEGER NOT NULL CHECK (timestamp > 0),
+    hash        VARCHAR PRIMARY KEY,
+    parent_hash VARCHAR NOT NULL UNIQUE,
+    number      UINT256 NOT NULL UNIQUE,
+    timestamp   INTEGER NOT NULL UNIQUE CHECK (timestamp > 0),
 
     -- Raw Data
     rlp_bytes VARCHAR NOT NULL
@@ -34,8 +34,8 @@ CREATE TABLE IF NOT EXISTS l2_block_headers (
 
 CREATE TABLE IF NOT EXISTS l1_contract_events (
     -- Searchable fields
-    guid             VARCHAR NOT NULL PRIMARY KEY,
-	block_hash       VARCHAR NOT NULL REFERENCES l1_block_headers(hash),
+    guid             VARCHAR PRIMARY KEY,
+    block_hash       VARCHAR NOT NULL REFERENCES l1_block_headers(hash) ON DELETE CASCADE,
     contract_address VARCHAR NOT NULL,
     transaction_hash VARCHAR NOT NULL,
     log_index        INTEGER NOT NULL,
@@ -48,8 +48,8 @@ CREATE TABLE IF NOT EXISTS l1_contract_events (
 
 CREATE TABLE IF NOT EXISTS l2_contract_events (
     -- Searchable fields
-    guid             VARCHAR NOT NULL PRIMARY KEY,
-	block_hash       VARCHAR NOT NULL REFERENCES l2_block_headers(hash),
+    guid             VARCHAR PRIMARY KEY,
+    block_hash       VARCHAR NOT NULL REFERENCES l2_block_headers(hash) ON DELETE CASCADE,
     contract_address VARCHAR NOT NULL,
     transaction_hash VARCHAR NOT NULL,
     log_index        INTEGER NOT NULL,
@@ -63,58 +63,52 @@ CREATE TABLE IF NOT EXISTS l2_contract_events (
 -- Tables that index finalization markers for L2 blocks.
 
 CREATE TABLE IF NOT EXISTS legacy_state_batches (
-	index         INTEGER NOT NULL PRIMARY KEY,
-	root          VARCHAR NOT NULL,
+    index         INTEGER PRIMARY KEY,
+    root          VARCHAR NOT NULL UNIQUE,
     size          INTEGER NOT NULL,
     prev_total    INTEGER NOT NULL,
 
-    l1_contract_event_guid VARCHAR REFERENCES l1_contract_events(guid)
+    state_batch_appended_guid VARCHAR NOT NULL UNIQUE REFERENCES l1_contract_events(guid) ON DELETE CASCADE
 );
 
 CREATE TABLE IF NOT EXISTS output_proposals (
-    output_root     VARCHAR NOT NULL PRIMARY KEY,
+    output_root     VARCHAR PRIMARY KEY,
+    l2_output_index UINT256 NOT NULL UNIQUE,
+    l2_block_number UINT256 NOT NULL UNIQUE,
 
-    l2_output_index UINT256 NOT NULL,
-    l2_block_number UINT256 NOT NULL,
-
-    l1_contract_event_guid VARCHAR REFERENCES l1_contract_events(guid)
+    output_proposed_guid VARCHAR NOT NULL UNIQUE REFERENCES l1_contract_events(guid) ON DELETE CASCADE
 );
 
 /**
  * BRIDGING DATA
  */
 
- /**
- * TOKEN DATA
- */
-
--- L1 Token table
+-- Bridged L1/L2 Tokens
 CREATE TABLE IF NOT EXISTS l1_tokens (
     address          VARCHAR PRIMARY KEY,
     bridge_address   VARCHAR NOT NULL,
-    l2_token_address VARCHAR NOT NULL,
+
     name             VARCHAR NOT NULL,
     symbol           VARCHAR NOT NULL,
     decimals         INTEGER NOT NULL CHECK (decimals >= 0 AND decimals <= 18)
 );
-
--- L2 Token table
 CREATE TABLE IF NOT EXISTS l2_tokens (
     address          VARCHAR PRIMARY KEY,
     bridge_address   VARCHAR NOT NULL,
-    l1_token_address VARCHAR REFERENCES l1_tokens(address),
+
+    -- L1-L2 relationship is 1 to many so this is not necessarily unique
+    l1_token_address VARCHAR REFERENCES l1_tokens(address) ON DELETE CASCADE,
+
     name             VARCHAR NOT NULL,
     symbol           VARCHAR NOT NULL,
     decimals         INTEGER NOT NULL CHECK (decimals >= 0 AND decimals <= 18)
 );
 
-
 -- OptimismPortal/L2ToL1MessagePasser
 CREATE TABLE IF NOT EXISTS l1_transaction_deposits (
-    source_hash         VARCHAR NOT NULL PRIMARY KEY,
-    l2_transaction_hash VARCHAR NOT NULL,
-
-    initiated_l1_event_guid VARCHAR NOT NULL REFERENCES l1_contract_events(guid),
+    source_hash             VARCHAR PRIMARY KEY,
+    l2_transaction_hash     VARCHAR NOT NULL UNIQUE,
+    initiated_l1_event_guid VARCHAR NOT NULL UNIQUE REFERENCES l1_contract_events(guid) ON DELETE CASCADE,
 
     -- transaction data
     from_address VARCHAR NOT NULL,
@@ -125,18 +119,15 @@ CREATE TABLE IF NOT EXISTS l1_transaction_deposits (
     timestamp    INTEGER NOT NULL CHECK (timestamp > 0)
 );
 CREATE TABLE IF NOT EXISTS l2_transaction_withdrawals (
-    withdrawal_hash VARCHAR NOT NULL PRIMARY KEY,
-
-    initiated_l2_event_guid VARCHAR NOT NULL REFERENCES l2_contract_events(guid),
+    withdrawal_hash         VARCHAR PRIMARY KEY,
+    nonce                   UINT256 NOT NULL UNIQUE,
+    initiated_l2_event_guid VARCHAR NOT NULL UNIQUE REFERENCES l2_contract_events(guid) ON DELETE CASCADE,
 
     -- Multistep (bedrock) process of a withdrawal
-    proven_l1_event_guid    VARCHAR REFERENCES l1_contract_events(guid),
-    finalized_l1_event_guid VARCHAR REFERENCES l1_contract_events(guid),
+    proven_l1_event_guid    VARCHAR UNIQUE REFERENCES l1_contract_events(guid) ON DELETE CASCADE,
+    finalized_l1_event_guid VARCHAR UNIQUE REFERENCES l1_contract_events(guid) ON DELETE CASCADE,
     succeeded               BOOLEAN,
 
-    -- L2ToL1MessagePasser specific
-    nonce UINT256 UNIQUE,
-
     -- transaction data
     from_address VARCHAR NOT NULL,
     to_address   VARCHAR NOT NULL,
@@ -148,13 +139,12 @@ CREATE TABLE IF NOT EXISTS l2_transaction_withdrawals (
 
 -- CrossDomainMessenger
 CREATE TABLE IF NOT EXISTS l1_bridge_messages(
-    message_hash            VARCHAR NOT NULL PRIMARY KEY,
+    message_hash            VARCHAR PRIMARY KEY,
     nonce                   UINT256 NOT NULL UNIQUE,
+    transaction_source_hash VARCHAR NOT NULL UNIQUE REFERENCES l1_transaction_deposits(source_hash) ON DELETE CASCADE,
 
-    transaction_source_hash VARCHAR NOT NULL UNIQUE REFERENCES l1_transaction_deposits(source_hash),
-
-    sent_message_event_guid    VARCHAR NOT NULL UNIQUE REFERENCES l1_contract_events(guid),
-    relayed_message_event_guid VARCHAR UNIQUE REFERENCES l2_contract_events(guid),
+    sent_message_event_guid    VARCHAR NOT NULL UNIQUE REFERENCES l1_contract_events(guid) ON DELETE CASCADE,
+    relayed_message_event_guid VARCHAR UNIQUE REFERENCES l2_contract_events(guid) ON DELETE CASCADE,
 
     -- sent message
     from_address VARCHAR NOT NULL,
@@ -165,13 +155,12 @@ CREATE TABLE IF NOT EXISTS l1_bridge_messages(
     timestamp    INTEGER NOT NULL CHECK (timestamp > 0)
 );
 CREATE TABLE IF NOT EXISTS l2_bridge_messages(
-    message_hash                VARCHAR NOT NULL PRIMARY KEY,
+    message_hash                VARCHAR PRIMARY KEY,
     nonce                       UINT256 NOT NULL UNIQUE,
+    transaction_withdrawal_hash VARCHAR NOT NULL UNIQUE REFERENCES l2_transaction_withdrawals(withdrawal_hash) ON DELETE CASCADE,
 
-    transaction_withdrawal_hash VARCHAR NOT NULL UNIQUE REFERENCES l2_transaction_withdrawals(withdrawal_hash),
-
-    sent_message_event_guid    VARCHAR NOT NULL UNIQUE REFERENCES l2_contract_events(guid),
-    relayed_message_event_guid VARCHAR UNIQUE REFERENCES l1_contract_events(guid),
+    sent_message_event_guid    VARCHAR NOT NULL UNIQUE REFERENCES l2_contract_events(guid) ON DELETE CASCADE,
+    relayed_message_event_guid VARCHAR UNIQUE REFERENCES l1_contract_events(guid) ON DELETE CASCADE,
 
     -- sent message
     from_address VARCHAR NOT NULL,
@@ -184,8 +173,8 @@ CREATE TABLE IF NOT EXISTS l2_bridge_messages(
 
 -- StandardBridge
 CREATE TABLE IF NOT EXISTS l1_bridge_deposits (
-    transaction_source_hash   VARCHAR PRIMARY KEY REFERENCES l1_transaction_deposits(source_hash),
-    cross_domain_message_hash VARCHAR NOT NULL UNIQUE REFERENCES l1_bridge_messages(message_hash),
+    transaction_source_hash   VARCHAR PRIMARY KEY REFERENCES l1_transaction_deposits(source_hash) ON DELETE CASCADE,
+    cross_domain_message_hash VARCHAR NOT NULL UNIQUE REFERENCES l1_bridge_messages(message_hash) ON DELETE CASCADE,
 
     -- Deposit information
     from_address         VARCHAR NOT NULL,
@@ -197,8 +186,8 @@ CREATE TABLE IF NOT EXISTS l1_bridge_deposits (
     timestamp            INTEGER NOT NULL CHECK (timestamp > 0)
 );
 CREATE TABLE IF NOT EXISTS l2_bridge_withdrawals (
-    transaction_withdrawal_hash VARCHAR PRIMARY KEY REFERENCES l2_transaction_withdrawals(withdrawal_hash),
-    cross_domain_message_hash   VARCHAR NOT NULL UNIQUE REFERENCES l2_bridge_messages(message_hash),
+    transaction_withdrawal_hash VARCHAR PRIMARY KEY REFERENCES l2_transaction_withdrawals(withdrawal_hash) ON DELETE CASCADE,
+    cross_domain_message_hash   VARCHAR NOT NULL UNIQUE REFERENCES l2_bridge_messages(message_hash) ON DELETE CASCADE,
 
     -- Withdrawal information
     from_address         VARCHAR NOT NULL,