syntax = "proto3";

package token;

import "koinos/options.proto"; 

message str {
   string value = 1;
}

message uint32 {
   uint32 value = 1;
}

message uint64 {
   uint64 value = 1 [jstype = JS_STRING];
}

message boole {
   bool value = 1;
}

message info {
   string name = 1;
   string symbol = 2;
   uint32 decimals = 3;
   string description = 4;
}

message balance_of_args {
   bytes owner = 1 [(koinos.btype) = ADDRESS];
}

message transfer_args {
   bytes from = 1 [(koinos.btype) = ADDRESS];
   bytes to = 2 [(koinos.btype) = ADDRESS];
   uint64 value = 3 [jstype = JS_STRING];
   string memo = 4;
}

message mint_args {
   bytes to = 1 [(koinos.btype) = ADDRESS];
   uint64 value = 2 [jstype = JS_STRING];
}

message burn_args {
   bytes from = 1 [(koinos.btype) = ADDRESS];
   uint64 value = 2 [jstype = JS_STRING];
}

message approve_args {
   bytes owner = 1 [(koinos.btype) = ADDRESS];
   bytes spender = 2 [(koinos.btype) = ADDRESS];
   uint64 value = 3 [jstype = JS_STRING];
}

message allowance_args {
   bytes owner = 1 [(koinos.btype) = ADDRESS];
   bytes spender = 2 [(koinos.btype) = ADDRESS];
}

message get_allowances_args {
   bytes owner = 1 [(koinos.btype) = ADDRESS];
   bytes start = 2 [(koinos.btype) = ADDRESS];
   int32 limit = 3;
   bool descending = 4;
}

message spender_value {
   bytes spender = 1 [(koinos.btype) = ADDRESS];
   uint64 value = 2 [jstype = JS_STRING];
}

message get_allowances_return {
   bytes owner = 1 [(koinos.btype) = ADDRESS];
   repeated spender_value allowances = 2;   
}

message transfer_event {
   bytes from = 1 [(koinos.btype) = ADDRESS];
   bytes to = 2 [(koinos.btype) = ADDRESS];
   uint64 value = 3 [jstype = JS_STRING];
}

message mint_event {
   bytes to = 1 [(koinos.btype) = ADDRESS];
   uint64 value = 2 [jstype = JS_STRING];
}

message burn_event {
   bytes from = 1 [(koinos.btype) = ADDRESS];
   uint64 value = 2 [jstype = JS_STRING];
}

message approve_event {
   bytes owner = 1 [(koinos.btype) = ADDRESS];
   bytes spender = 2 [(koinos.btype) = ADDRESS];
   uint64 value = 3 [jstype = JS_STRING];
}