Add moshicam migrations (#1534)

db/migrations/mirror/000021_add_moshicam_schema.up.sql

@@ -0,0 +1,26 @@
+/* {% require_sudo %} */
+
+-- Create schema
+create schema if not exists moshicam;
+
+-- Limit all access to defined roles
+revoke all on schema moshicam from public;
+
+alter default privileges for role access_rw in schema moshicam grant select on tables to access_ro;
+alter default privileges for role access_rw in schema moshicam grant usage on sequences to access_ro;
+alter default privileges for role access_rw in schema moshicam grant execute on functions to access_ro;
+
+--------------------------------------------------------------------------------------
+-- access_rw: has read/write access to all current and future objects in all schemas
+--------------------------------------------------------------------------------------
+-- Grant usage + create privileges on all schemas
+grant all on schema moshicam to access_rw;
+
+-- Make sure access_rw owns all schemas
+alter schema moshicam owner to access_rw;
+
+-- Grant read/write privileges on all current objects in the schemas
+grant all on all tables in schema moshicam to access_rw;
+grant all on all sequences in schema moshicam to access_rw;
+grant all on all functions in schema moshicam to access_rw;
+

db/migrations/mirror/000022_ksuid_function.up.sql

@@ -0,0 +1,50 @@
+/* {% require_sudo %} */
+
+CREATE EXTENSION IF NOT EXISTS pgcrypto;
+
+create or replace function ksuid() returns text as $$
+declare
+    v_time timestamp with time zone := null;
+    v_seconds numeric(50) := null;
+    v_numeric numeric(50) := null;
+    v_epoch numeric(50) = 1400000000; -- 2014-05-13T16:53:20Z
+    v_payload bytea := null;
+    v_base62 text := '';
+    v_alphabet char array[62] := array[
+        '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
+        'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J',
+        'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
+        'U', 'V', 'W', 'X', 'Y', 'Z',
+        'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
+        'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't',
+        'u', 'v', 'w', 'x', 'y', 'z'];
+    i integer := 0;
+begin
+
+    -- Get the current time
+    v_time := clock_timestamp();
+
+    -- Extract the epoch seconds
+    v_seconds := EXTRACT(EPOCH FROM v_time) - v_epoch;
+
+    -- Generate a KSUID in a numeric variable
+    v_numeric := v_seconds * pow(2::numeric(50), 128); -- 32 bits for seconds
+
+    -- Add 128 random bits to it
+    v_payload := gen_random_bytes(16);
+    while i < 16 loop
+            i := i + 1;
+            v_numeric := v_numeric + (get_byte(v_payload, i - 1)::numeric(50) * pow(2::numeric(50), (16 - i) * 8));
+        end loop;
+
+    -- Encode it to base-62
+    while v_numeric <> 0 loop
+            v_base62 := v_base62 || v_alphabet[mod(v_numeric, 62) + 1];
+            v_numeric := div(v_numeric, 62);
+        end loop;
+    v_base62 := reverse(v_base62);
+    v_base62 := lpad(v_base62, 27, '0');
+
+    return v_base62;
+
+end $$ language plpgsql;

db/migrations/mirror/000023_add_token_tags.up.sql

@@ -0,0 +1,11 @@
+create table if not exists moshicam.token_tags (
+    id varchar(255) not null primary key,
+    deleted boolean default false not null,
+    last_updated timestamp with time zone default current_timestamp not null,
+    created_at timestamp with time zone default current_timestamp not null,
+    contract_address text not null,
+    token_id decimal not null,
+    tag_name text not null
+);
+create unique index if not exists token_tags_contract_token_tag_idx on moshicam.token_tags(tag_name, contract_address, token_id) where not deleted;
+create index if not exists token_tags_contract_token_idx on moshicam.token_tags(contract_address, token_id) where not deleted;