-- +migrate Up

-- History
CREATE TABLE block (
    eth_block_num BIGINT PRIMARY KEY,
    timestamp TIMESTAMP WITHOUT TIME ZONE NOT NULL,
    hash BYTEA NOT NULL
);

CREATE TABLE coordinator (
    item_id SERIAL PRIMARY KEY,
    bidder_addr BYTEA NOT NULL,
    forger_addr BYTEA NOT NULL,
    eth_block_num BIGINT NOT NULL REFERENCES block (eth_block_num) ON DELETE CASCADE,
    url BYTEA NOT NULL
);

CREATE TABLE batch (
    item_id SERIAL PRIMARY KEY,
    batch_num BIGINT UNIQUE NOT NULL,
    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,
    exit_root BYTEA NOT NULL,
    forge_l1_txs_num BIGINT,
    slot_num BIGINT NOT NULL,
    total_fees_usd NUMERIC
);

CREATE TABLE bid (
    item_id SERIAL PRIMARY KEY,
    slot_num BIGINT NOT NULL,
    bid_value BYTEA NOT NULL,
    eth_block_num BIGINT NOT NULL REFERENCES block (eth_block_num) ON DELETE CASCADE,
    bidder_addr BYTEA NOT NULL -- fake foreign key for coordinator
);

CREATE TABLE token (
    item_id SERIAL PRIMARY KEY,
    token_id INT UNIQUE NOT NULL,
    eth_block_num BIGINT NOT NULL REFERENCES block (eth_block_num) ON DELETE CASCADE,
    eth_addr BYTEA UNIQUE NOT NULL,
    name VARCHAR(20) NOT NULL,
    symbol VARCHAR(10) NOT NULL,
    decimals INT NOT NULL,
    usd NUMERIC,
    usd_update TIMESTAMP WITHOUT TIME ZONE
);

-- Add ETH as TokenID 0
INSERT INTO block (
    eth_block_num,
    timestamp,
    hash
) VALUES (
    0,
    '2015-07-30 03:26:13',
    '\xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3'
); -- info from https://etherscan.io/block/0

INSERT INTO token (
    token_id,
    eth_block_num,
    eth_addr,
    name,
    symbol,
    decimals
) VALUES (
    0,
    0,
    '\x0000000000000000000000000000000000000000',
    'Ether',
    'ETH',
    18
);


-- +migrate StatementBegin
CREATE FUNCTION hez_idx(BIGINT, VARCHAR) 
    RETURNS VARCHAR 
AS 
$BODY$
BEGIN
    RETURN 'hez:' || $2 || ':' || $1;
END;
$BODY$
LANGUAGE plpgsql;
-- +migrate StatementEnd

CREATE TABLE account (
    item_id SERIAL,
    idx BIGINT PRIMARY KEY,
    token_id INT NOT NULL REFERENCES token (token_id) ON DELETE CASCADE,
    batch_num BIGINT NOT NULL REFERENCES batch (batch_num) ON DELETE CASCADE,
    bjj BYTEA NOT NULL,
    eth_addr BYTEA NOT NULL
);

CREATE TABLE exit_tree (
    item_id SERIAL PRIMARY KEY,
    batch_num BIGINT REFERENCES batch (batch_num) ON DELETE CASCADE,
    account_idx BIGINT REFERENCES account (idx) ON DELETE CASCADE,
    merkle_proof BYTEA NOT NULL,
    balance BYTEA NOT NULL,
    instant_withdrawn BIGINT REFERENCES block (eth_block_num) ON DELETE SET NULL,
    delayed_withdraw_request BIGINT REFERENCES block (eth_block_num) ON DELETE SET NULL,
    owner BYTEA,
    token BYTEA,
    delayed_withdrawn BIGINT REFERENCES block (eth_block_num) ON DELETE SET NULL
);

-- +migrate StatementBegin
CREATE FUNCTION set_token_usd_update() 
    RETURNS TRIGGER 
AS 
$BODY$
BEGIN
    IF NEW."usd" IS NOT NULL AND NEW."usd_update" IS NULL THEN
        NEW."usd_update" = timezone('utc', now());
    END IF;
    RETURN NEW;
END;
$BODY$
LANGUAGE plpgsql;
-- +migrate StatementEnd
CREATE TRIGGER trigger_token_usd_update BEFORE UPDATE OR INSERT ON token
FOR EACH ROW EXECUTE PROCEDURE set_token_usd_update();

CREATE SEQUENCE tx_item_id;

-- important note about "amount_success" and "deposit_amount_success" (only relevant to L1 user txs):
-- The behaviour should be:
-- When tx is not forged: amount_success = false, deposit_amount_success = false
-- When tx is forged: 
--      amount_success = false if the "effective amount" is 0, else true
--      deposit_amount_success = false if the "effective deposit amount" is 0, else true
--
-- However, in order to reduce the amount of updates, by default amount_success and deposit_amount_success will be set to true (when tx is unforged)
-- whne they should be false. This can be worked around at a query level by checking if "batch_num IS NULL" (which indicates that the tx is unforged).
CREATE TABLE tx (
    -- Generic TX
    item_id INTEGER PRIMARY KEY DEFAULT nextval('tx_item_id'),
    is_l1 BOOLEAN NOT NULL,
    id BYTEA,
    type VARCHAR(40) NOT NULL,
    position INT NOT NULL,
    from_idx BIGINT,
    effective_from_idx BIGINT REFERENCES account (idx) ON DELETE SET NULL,
    from_eth_addr BYTEA,
    from_bjj BYTEA,
    to_idx BIGINT NOT NULL,
    to_eth_addr BYTEA,
    to_bjj BYTEA,
    amount BYTEA NOT NULL,
    amount_success BOOLEAN NOT NULL DEFAULT true,
    amount_f NUMERIC NOT NULL,
    token_id INT NOT NULL REFERENCES token (token_id),
    amount_usd NUMERIC, -- Value of the amount in USD at the moment the tx was inserted in the DB
    batch_num BIGINT REFERENCES batch (batch_num) ON DELETE SET NULL, -- Can be NULL in the case of L1 txs that are on the queue but not forged yet.
    eth_block_num BIGINT NOT NULL REFERENCES block (eth_block_num) ON DELETE CASCADE,
    -- L1
    to_forge_l1_txs_num BIGINT,
    user_origin BOOLEAN,
    deposit_amount BYTEA,
    deposit_amount_success BOOLEAN NOT NULL DEFAULT true,
    deposit_amount_f NUMERIC,
    deposit_amount_usd NUMERIC,
    -- L2
    fee INT,
    fee_usd NUMERIC,
    nonce BIGINT
);

-- +migrate StatementBegin
CREATE FUNCTION fee_percentage(NUMERIC)
    RETURNS NUMERIC 
AS 
$BODY$
DECLARE perc NUMERIC;
BEGIN
    SELECT CASE 
        WHEN $1 = 000 THEN 0.000000e+00
        WHEN $1 = 001 THEN 2.675309e-18
        WHEN $1 = 002 THEN 8.251782e-18
        WHEN $1 = 003 THEN 2.545198e-17
        WHEN $1 = 004 THEN 7.850462e-17
        WHEN $1 = 005 THEN 2.421414e-16
        WHEN $1 = 006 THEN 7.468660e-16
        WHEN $1 = 007 THEN 2.303650e-15
        WHEN $1 = 008 THEN 7.105427e-15
        WHEN $1 = 009 THEN 2.191613e-14
        WHEN $1 = 010 THEN 6.759860e-14
        WHEN $1 = 011 THEN 2.085026e-13
        WHEN $1 = 012 THEN 6.431099e-13
        WHEN $1 = 013 THEN 1.983622e-12
        WHEN $1 = 014 THEN 6.118327e-12
        WHEN $1 = 015 THEN 1.887150e-11
        WHEN $1 = 016 THEN 5.820766e-11
        WHEN $1 = 017 THEN 1.795370e-10
        WHEN $1 = 018 THEN 5.537677e-10
        WHEN $1 = 019 THEN 1.708053e-09
        WHEN $1 = 020 THEN 5.268356e-09
        WHEN $1 = 021 THEN 1.624983e-08
        WHEN $1 = 022 THEN 5.012133e-08
        WHEN $1 = 023 THEN 1.545953e-07
        WHEN $1 = 024 THEN 4.768372e-07
        WHEN $1 = 025 THEN 1.470767e-06
        WHEN $1 = 026 THEN 4.536465e-06
        WHEN $1 = 027 THEN 1.399237e-05
        WHEN $1 = 028 THEN 4.315837e-05
        WHEN $1 = 029 THEN 1.331186e-04
        WHEN $1 = 030 THEN 4.105940e-04
        WHEN $1 = 031 THEN 1.266445e-03
        WHEN $1 = 032 THEN 3.906250e-03
        WHEN $1 = 033 THEN 4.044004e-03
        WHEN $1 = 034 THEN 4.186615e-03
        WHEN $1 = 035 THEN 4.334256e-03
        WHEN $1 = 036 THEN 4.487103e-03
        WHEN $1 = 037 THEN 4.645340e-03
        WHEN $1 = 038 THEN 4.809158e-03
        WHEN $1 = 039 THEN 4.978752e-03
        WHEN $1 = 040 THEN 5.154328e-03
        WHEN $1 = 041 THEN 5.336095e-03
        WHEN $1 = 042 THEN 5.524272e-03
        WHEN $1 = 043 THEN 5.719085e-03
        WHEN $1 = 044 THEN 5.920768e-03
        WHEN $1 = 045 THEN 6.129563e-03
        WHEN $1 = 046 THEN 6.345722e-03
        WHEN $1 = 047 THEN 6.569503e-03
        WHEN $1 = 048 THEN 6.801176e-03
        WHEN $1 = 049 THEN 7.041019e-03
        WHEN $1 = 050 THEN 7.289320e-03
        WHEN $1 = 051 THEN 7.546378e-03
        WHEN $1 = 052 THEN 7.812500e-03
        WHEN $1 = 053 THEN 8.088007e-03
        WHEN $1 = 054 THEN 8.373230e-03
        WHEN $1 = 055 THEN 8.668512e-03
        WHEN $1 = 056 THEN 8.974206e-03
        WHEN $1 = 057 THEN 9.290681e-03
        WHEN $1 = 058 THEN 9.618316e-03
        WHEN $1 = 059 THEN 9.957505e-03
        WHEN $1 = 060 THEN 1.030866e-02
        WHEN $1 = 061 THEN 1.067219e-02
        WHEN $1 = 062 THEN 1.104854e-02
        WHEN $1 = 063 THEN 1.143817e-02
        WHEN $1 = 064 THEN 1.184154e-02
        WHEN $1 = 065 THEN 1.225913e-02
        WHEN $1 = 066 THEN 1.269144e-02
        WHEN $1 = 067 THEN 1.313901e-02
        WHEN $1 = 068 THEN 1.360235e-02
        WHEN $1 = 069 THEN 1.408204e-02
        WHEN $1 = 070 THEN 1.457864e-02
        WHEN $1 = 071 THEN 1.509276e-02
        WHEN $1 = 072 THEN 1.562500e-02
        WHEN $1 = 073 THEN 1.617601e-02
        WHEN $1 = 074 THEN 1.674646e-02
        WHEN $1 = 075 THEN 1.733702e-02
        WHEN $1 = 076 THEN 1.794841e-02
        WHEN $1 = 077 THEN 1.858136e-02
        WHEN $1 = 078 THEN 1.923663e-02
        WHEN $1 = 079 THEN 1.991501e-02
        WHEN $1 = 080 THEN 2.061731e-02
        WHEN $1 = 081 THEN 2.134438e-02
        WHEN $1 = 082 THEN 2.209709e-02
        WHEN $1 = 083 THEN 2.287634e-02
        WHEN $1 = 084 THEN 2.368307e-02
        WHEN $1 = 085 THEN 2.451825e-02
        WHEN $1 = 086 THEN 2.538289e-02
        WHEN $1 = 087 THEN 2.627801e-02
        WHEN $1 = 088 THEN 2.720471e-02
        WHEN $1 = 089 THEN 2.816408e-02
        WHEN $1 = 090 THEN 2.915728e-02
        WHEN $1 = 091 THEN 3.018551e-02
        WHEN $1 = 092 THEN 3.125000e-02
        WHEN $1 = 093 THEN 3.235203e-02
        WHEN $1 = 094 THEN 3.349292e-02
        WHEN $1 = 095 THEN 3.467405e-02
        WHEN $1 = 096 THEN 3.589682e-02
        WHEN $1 = 097 THEN 3.716272e-02
        WHEN $1 = 098 THEN 3.847326e-02
        WHEN $1 = 099 THEN 3.983002e-02
        WHEN $1 = 100 THEN 4.123462e-02
        WHEN $1 = 101 THEN 4.268876e-02
        WHEN $1 = 102 THEN 4.419417e-02
        WHEN $1 = 103 THEN 4.575268e-02
        WHEN $1 = 104 THEN 4.736614e-02
        WHEN $1 = 105 THEN 4.903651e-02
        WHEN $1 = 106 THEN 5.076577e-02
        WHEN $1 = 107 THEN 5.255603e-02
        WHEN $1 = 108 THEN 5.440941e-02
        WHEN $1 = 109 THEN 5.632815e-02
        WHEN $1 = 110 THEN 5.831456e-02
        WHEN $1 = 111 THEN 6.037102e-02
        WHEN $1 = 112 THEN 6.250000e-02
        WHEN $1 = 113 THEN 6.470406e-02
        WHEN $1 = 114 THEN 6.698584e-02
        WHEN $1 = 115 THEN 6.934809e-02
        WHEN $1 = 116 THEN 7.179365e-02
        WHEN $1 = 117 THEN 7.432544e-02
        WHEN $1 = 118 THEN 7.694653e-02
        WHEN $1 = 119 THEN 7.966004e-02
        WHEN $1 = 120 THEN 8.246924e-02
        WHEN $1 = 121 THEN 8.537752e-02
        WHEN $1 = 122 THEN 8.838835e-02
        WHEN $1 = 123 THEN 9.150536e-02
        WHEN $1 = 124 THEN 9.473229e-02
        WHEN $1 = 125 THEN 9.807301e-02
        WHEN $1 = 126 THEN 1.015315e-01
        WHEN $1 = 127 THEN 1.051121e-01
        WHEN $1 = 128 THEN 1.088188e-01
        WHEN $1 = 129 THEN 1.126563e-01
        WHEN $1 = 130 THEN 1.166291e-01
        WHEN $1 = 131 THEN 1.207420e-01
        WHEN $1 = 132 THEN 1.250000e-01
        WHEN $1 = 133 THEN 1.294081e-01
        WHEN $1 = 134 THEN 1.339717e-01
        WHEN $1 = 135 THEN 1.386962e-01
        WHEN $1 = 136 THEN 1.435873e-01
        WHEN $1 = 137 THEN 1.486509e-01
        WHEN $1 = 138 THEN 1.538931e-01
        WHEN $1 = 139 THEN 1.593201e-01
        WHEN $1 = 140 THEN 1.649385e-01
        WHEN $1 = 141 THEN 1.707550e-01
        WHEN $1 = 142 THEN 1.767767e-01
        WHEN $1 = 143 THEN 1.830107e-01
        WHEN $1 = 144 THEN 1.894646e-01
        WHEN $1 = 145 THEN 1.961460e-01
        WHEN $1 = 146 THEN 2.030631e-01
        WHEN $1 = 147 THEN 2.102241e-01
        WHEN $1 = 148 THEN 2.176376e-01
        WHEN $1 = 149 THEN 2.253126e-01
        WHEN $1 = 150 THEN 2.332582e-01
        WHEN $1 = 151 THEN 2.414841e-01
        WHEN $1 = 152 THEN 2.500000e-01
        WHEN $1 = 153 THEN 2.588162e-01
        WHEN $1 = 154 THEN 2.679434e-01
        WHEN $1 = 155 THEN 2.773924e-01
        WHEN $1 = 156 THEN 2.871746e-01
        WHEN $1 = 157 THEN 2.973018e-01
        WHEN $1 = 158 THEN 3.077861e-01
        WHEN $1 = 159 THEN 3.186402e-01
        WHEN $1 = 160 THEN 3.298770e-01
        WHEN $1 = 161 THEN 3.415101e-01
        WHEN $1 = 162 THEN 3.535534e-01
        WHEN $1 = 163 THEN 3.660214e-01
        WHEN $1 = 164 THEN 3.789291e-01
        WHEN $1 = 165 THEN 3.922920e-01
        WHEN $1 = 166 THEN 4.061262e-01
        WHEN $1 = 167 THEN 4.204482e-01
        WHEN $1 = 168 THEN 4.352753e-01
        WHEN $1 = 169 THEN 4.506252e-01
        WHEN $1 = 170 THEN 4.665165e-01
        WHEN $1 = 171 THEN 4.829682e-01
        WHEN $1 = 172 THEN 5.000000e-01
        WHEN $1 = 173 THEN 5.176325e-01
        WHEN $1 = 174 THEN 5.358867e-01
        WHEN $1 = 175 THEN 5.547847e-01
        WHEN $1 = 176 THEN 5.743492e-01
        WHEN $1 = 177 THEN 5.946036e-01
        WHEN $1 = 178 THEN 6.155722e-01
        WHEN $1 = 179 THEN 6.372803e-01
        WHEN $1 = 180 THEN 6.597540e-01
        WHEN $1 = 181 THEN 6.830201e-01
        WHEN $1 = 182 THEN 7.071068e-01
        WHEN $1 = 183 THEN 7.320428e-01
        WHEN $1 = 184 THEN 7.578583e-01
        WHEN $1 = 185 THEN 7.845841e-01
        WHEN $1 = 186 THEN 8.122524e-01
        WHEN $1 = 187 THEN 8.408964e-01
        WHEN $1 = 188 THEN 8.705506e-01
        WHEN $1 = 189 THEN 9.012505e-01
        WHEN $1 = 190 THEN 9.330330e-01
        WHEN $1 = 191 THEN 9.659363e-01
        WHEN $1 = 192 THEN 1.000000e+00
        WHEN $1 = 193 THEN 2.000000e+00
        WHEN $1 = 194 THEN 4.000000e+00
        WHEN $1 = 195 THEN 8.000000e+00
        WHEN $1 = 196 THEN 1.600000e+01
        WHEN $1 = 197 THEN 3.200000e+01
        WHEN $1 = 198 THEN 6.400000e+01
        WHEN $1 = 199 THEN 1.280000e+02
        WHEN $1 = 200 THEN 2.560000e+02
        WHEN $1 = 201 THEN 5.120000e+02
        WHEN $1 = 202 THEN 1.024000e+03
        WHEN $1 = 203 THEN 2.048000e+03
        WHEN $1 = 204 THEN 4.096000e+03
        WHEN $1 = 205 THEN 8.192000e+03
        WHEN $1 = 206 THEN 1.638400e+04
        WHEN $1 = 207 THEN 3.276800e+04
        WHEN $1 = 208 THEN 6.553600e+04
        WHEN $1 = 209 THEN 1.310720e+05
        WHEN $1 = 210 THEN 2.621440e+05
        WHEN $1 = 211 THEN 5.242880e+05
        WHEN $1 = 212 THEN 1.048576e+06
        WHEN $1 = 213 THEN 2.097152e+06
        WHEN $1 = 214 THEN 4.194304e+06
        WHEN $1 = 215 THEN 8.388608e+06
        WHEN $1 = 216 THEN 1.677722e+07
        WHEN $1 = 217 THEN 3.355443e+07
        WHEN $1 = 218 THEN 6.710886e+07
        WHEN $1 = 219 THEN 1.342177e+08
        WHEN $1 = 220 THEN 2.684355e+08
        WHEN $1 = 221 THEN 5.368709e+08
        WHEN $1 = 222 THEN 1.073742e+09
        WHEN $1 = 223 THEN 2.147484e+09
        WHEN $1 = 224 THEN 4.294967e+09
        WHEN $1 = 225 THEN 8.589935e+09
        WHEN $1 = 226 THEN 1.717987e+10
        WHEN $1 = 227 THEN 3.435974e+10
        WHEN $1 = 228 THEN 6.871948e+10
        WHEN $1 = 229 THEN 1.374390e+11
        WHEN $1 = 230 THEN 2.748779e+11
        WHEN $1 = 231 THEN 5.497558e+11
        WHEN $1 = 232 THEN 1.099512e+12
        WHEN $1 = 233 THEN 2.199023e+12
        WHEN $1 = 234 THEN 4.398047e+12
        WHEN $1 = 235 THEN 8.796093e+12
        WHEN $1 = 236 THEN 1.759219e+13
        WHEN $1 = 237 THEN 3.518437e+13
        WHEN $1 = 238 THEN 7.036874e+13
        WHEN $1 = 239 THEN 1.407375e+14
        WHEN $1 = 240 THEN 2.814750e+14
        WHEN $1 = 241 THEN 5.629500e+14
        WHEN $1 = 242 THEN 1.125900e+15
        WHEN $1 = 243 THEN 2.251800e+15
        WHEN $1 = 244 THEN 4.503600e+15
        WHEN $1 = 245 THEN 9.007199e+15
        WHEN $1 = 246 THEN 1.801440e+16
        WHEN $1 = 247 THEN 3.602880e+16
        WHEN $1 = 248 THEN 7.205759e+16
        WHEN $1 = 249 THEN 1.441152e+17
        WHEN $1 = 250 THEN 2.882304e+17
        WHEN $1 = 251 THEN 5.764608e+17
        WHEN $1 = 252 THEN 1.152922e+18
        WHEN $1 = 253 THEN 2.305843e+18
        WHEN $1 = 254 THEN 4.611686e+18
        WHEN $1 = 255 THEN 9.223372e+18
    END INTO perc;
    RETURN perc;
END;
$BODY$
LANGUAGE plpgsql;
-- +migrate StatementEnd

-- +migrate StatementBegin
CREATE FUNCTION set_tx()
    RETURNS TRIGGER 
AS 
$BODY$
DECLARE
	_value NUMERIC;
	_usd_update TIMESTAMP;
    _tx_timestamp TIMESTAMP;
BEGIN
    IF NEW.is_l1  THEN
        -- Validate L1 Tx
        IF NEW.user_origin IS NULL OR
        NEW.from_eth_addr IS NULL OR
        NEW.from_bjj IS NULL OR
        NEW.deposit_amount IS NULL OR
        NEW.deposit_amount_f IS NULL OR
        (NOT NEW.user_origin AND NEW.batch_num IS NULL)  THEN -- If is Coordinator L1, must include batch_num
            RAISE EXCEPTION 'Invalid L1 tx: %', NEW;
        END IF;
    ELSE
        -- Validate L2 Tx
        IF NEW.batch_num IS NULL OR NEW.nonce IS NULL THEN
            RAISE EXCEPTION 'Invalid L2 tx: %', NEW;
        END IF;
        -- Set fee if it's null
        IF NEW.fee IS NULL THEN
            NEW.fee = (SELECT 0);
        END IF;
        -- Set token_id
        NEW."token_id" = (SELECT token_id FROM account WHERE idx = NEW."from_idx");
        -- Set from_{eth_addr,bjj}
        SELECT INTO NEW."from_eth_addr", NEW."from_bjj" eth_addr, bjj FROM account WHERE idx = NEW.from_idx;
    END IF;
    -- Set USD related
    SELECT INTO _value, _usd_update, _tx_timestamp 
        usd / POWER(10, decimals), usd_update, timestamp FROM token INNER JOIN block on token.eth_block_num = block.eth_block_num WHERE token_id = NEW.token_id;
    IF _usd_update - interval '24 hours' < _usd_update AND _usd_update + interval '24 hours' > _usd_update THEN
        IF _value > 0.0 THEN
            IF NEW."amount_f" > 0.0 THEN
                NEW."amount_usd" = (SELECT _value * NEW."amount_f");
                IF NOT NEW."is_l1" AND NEW."fee" > 0 THEN
                    NEW."fee_usd" = (SELECT NEW."amount_usd" * fee_percentage(NEW.fee::NUMERIC));
                END IF;
            END IF;
            IF NEW."is_l1" AND NEW."deposit_amount_f" > 0.0 THEN
                NEW."deposit_amount_usd" = (SELECT _value * NEW.deposit_amount_f);
            END IF;
        END IF;
    END IF;
    -- Set to_{eth_addr,bjj}
    IF NEW."to_idx" > 255 THEN
        SELECT INTO NEW."to_eth_addr", NEW."to_bjj" eth_addr, bjj FROM account WHERE idx = NEW."to_idx";
    END IF;
    RETURN NEW;
END;
$BODY$
LANGUAGE plpgsql;
-- +migrate StatementEnd
CREATE TRIGGER trigger_set_tx BEFORE INSERT ON tx
FOR EACH ROW EXECUTE PROCEDURE set_tx();

-- +migrate StatementBegin
CREATE FUNCTION forge_l1_user_txs() 
    RETURNS TRIGGER 
AS 
$BODY$
BEGIN
    IF NEW.forge_l1_txs_num IS NOT NULL THEN
        UPDATE tx 
        SET item_id = upd.item_id, batch_num = NEW.batch_num 
        FROM (
            SELECT id, nextval('tx_item_id') FROM tx 
            WHERE user_origin AND NEW.forge_l1_txs_num = to_forge_l1_txs_num 
            ORDER BY position
            FOR UPDATE
        ) as upd (id, item_id)
        WHERE tx.id = upd.id; 
    END IF;
    RETURN NEW;
END;
$BODY$
LANGUAGE plpgsql;
-- +migrate StatementEnd
CREATE TRIGGER trigger_forge_l1_txs AFTER INSERT ON batch
FOR EACH ROW EXECUTE PROCEDURE forge_l1_user_txs();

CREATE TABLE rollup_vars (
    eth_block_num BIGINT PRIMARY KEY REFERENCES block (eth_block_num) ON DELETE CASCADE,
    fee_add_token BYTEA NOT NULL,
    forge_l1_timeout BIGINT NOT NULL,
    withdrawal_delay BIGINT NOT NULL,
    buckets BYTEA NOT NULL,
    safe_mode BOOLEAN NOT NULL
);

CREATE TABLE bucket_update (
    item_id SERIAL PRIMARY KEY,
    eth_block_num BIGINT NOT NULL REFERENCES block (eth_block_num) ON DELETE CASCADE,
    num_bucket BIGINT NOT NULL,
    block_stamp BIGINT NOT NULL,
    withdrawals BYTEA NOT NULL
);

CREATE TABLE token_exchange (
    item_id SERIAL PRIMARY KEY,
    eth_block_num BIGINT NOT NULL REFERENCES block (eth_block_num) ON DELETE CASCADE,
    eth_addr BYTEA NOT NULL,
    value_usd BIGINT NOT NULL
);

CREATE TABLE escape_hatch_withdrawal (
    item_id SERIAL PRIMARY KEY,
    eth_block_num BIGINT NOT NULL REFERENCES block (eth_block_num) ON DELETE CASCADE,
    who_addr BYTEA NOT NULL,
    to_addr BYTEA NOT NULL,
    token_addr BYTEA NOT NULL,
    amount BYTEA NOT NULL
);

CREATE TABLE auction_vars (
    eth_block_num BIGINT PRIMARY KEY REFERENCES block (eth_block_num) ON DELETE CASCADE,
    donation_address BYTEA NOT NULL,
    boot_coordinator BYTEA NOT NULL,
    boot_coordinator_url BYTEA NOT NULL,
    default_slot_set_bid BYTEA NOT NULL,
    default_slot_set_bid_slot_num BIGINT NOT NULL, -- slot_num after which the new default_slot_set_bid applies
    closed_auction_slots INT NOT NULL,
    open_auction_slots INT NOT NULL,
    allocation_ratio VARCHAR(200),
    outbidding INT NOT NULL,
    slot_deadline INT NOT NULL
);

CREATE TABLE wdelayer_vars (
    eth_block_num BIGINT PRIMARY KEY REFERENCES block (eth_block_num) ON DELETE CASCADE,
    gov_address BYTEA NOT NULL,
    emg_address BYTEA NOT NULL,
    withdrawal_delay BIGINT NOT NULL,
    emergency_start_block BIGINT NOT NULL,
    emergency_mode BOOLEAN NOT NULL
);

-- L2
CREATE TABLE tx_pool (
    tx_id BYTEA PRIMARY KEY,
    from_idx BIGINT NOT NULL,
    from_eth_addr BYTEA,
    from_bjj BYTEA,
    to_idx BIGINT,
    to_eth_addr BYTEA,
    to_bjj BYTEA,
    token_id INT NOT NULL REFERENCES token (token_id) ON DELETE CASCADE,
    amount BYTEA NOT NULL,
    amount_f NUMERIC NOT NULL,
    fee SMALLINT NOT NULL,
    nonce BIGINT NOT NULL,
    state CHAR(4) NOT NULL,
    signature BYTEA NOT NULL,
    timestamp TIMESTAMP WITHOUT TIME ZONE DEFAULT timezone('utc', now()),
    batch_num BIGINT,
    rq_from_idx BIGINT,
    rq_to_idx BIGINT,
    rq_to_eth_addr BYTEA,
    rq_to_bjj BYTEA,
    rq_token_id INT,
    rq_amount BYTEA,
    rq_fee SMALLINT,
    rq_nonce BIGINT,
    tx_type VARCHAR(40) NOT NULL
);

-- +migrate StatementBegin
CREATE FUNCTION set_pool_tx()
    RETURNS TRIGGER 
AS 
$BODY$
BEGIN
    SELECT INTO NEW."from_eth_addr", NEW."from_bjj" eth_addr, bjj FROM account WHERE idx = NEW."from_idx";
     -- Set to_{eth_addr,bjj}
    IF NEW.to_idx > 255 THEN
        SELECT INTO NEW."to_eth_addr", NEW."to_bjj" eth_addr, bjj FROM account WHERE idx = NEW."to_idx";
    END IF;
    RETURN NEW;
END;
$BODY$
LANGUAGE plpgsql;
-- +migrate StatementEnd
CREATE TRIGGER trigger_set_pool_tx BEFORE INSERT ON tx_pool
FOR EACH ROW EXECUTE PROCEDURE set_pool_tx();

CREATE TABLE account_creation_auth (
    eth_addr BYTEA PRIMARY KEY,
    bjj BYTEA NOT NULL,
    signature BYTEA NOT NULL,
    timestamp TIMESTAMP WITHOUT TIME ZONE NOT NULL DEFAULT timezone('utc', now())
);

-- +migrate Down
-- drop triggers
DROP TRIGGER trigger_token_usd_update ON token;
DROP TRIGGER trigger_set_tx ON tx;
DROP TRIGGER trigger_forge_l1_txs ON batch;
DROP TRIGGER trigger_set_pool_tx ON tx_pool;
-- drop functions
DROP FUNCTION hez_idx;
DROP FUNCTION set_token_usd_update;
DROP FUNCTION fee_percentage;
DROP FUNCTION set_tx;
DROP FUNCTION forge_l1_user_txs;
DROP FUNCTION set_pool_tx;
-- drop tables
DROP TABLE account_creation_auth;
DROP TABLE tx_pool;
DROP TABLE auction_vars;
DROP TABLE rollup_vars;
DROP TABLE escape_hatch_withdrawal;
DROP TABLE bucket_update;
DROP TABLE token_exchange;
DROP TABLE wdelayer_vars;
DROP TABLE tx;
DROP TABLE exit_tree;
DROP TABLE account;
DROP TABLE token;
DROP TABLE bid;
DROP TABLE batch;
DROP TABLE coordinator;
DROP TABLE block;
-- drop sequences
DROP SEQUENCE tx_item_id;