Merge pull request #261 from hermeznetwork/feature/til-extra

Move logic to extend til blocks to til

db/migrations/0001.sql

@@ -21,6 +21,7 @@ CREATE TABLE batch (
     eth_block_num BIGINT NOT NULL REFERENCES block (eth_block_num) ON DELETE CASCADE,
     forger_addr BYTEA NOT NULL, -- fake foreign key for coordinator
     fees_collected BYTEA NOT NULL,
+    fee_idxs_coordinator BYTEA NOT NULL,
     state_root BYTEA NOT NULL,
     num_accounts BIGINT NOT NULL,
     last_idx BIGINT NOT NULL,