syntax = "proto3";

package koinos.contracts.pow;
option go_package = "github.com/koinos/koinos-proto-golang/koinos/contracts/pow";

message difficulty_metadata {
   bytes target = 1;
   uint64 last_block_time = 2 [jstype = JS_STRING];
   bytes difficulty = 3;
   uint64 target_block_interval = 4 [jstype = JS_STRING];
}

message get_difficulty_metadata_arguments{}

message get_difficulty_metadata_result {
   difficulty_metadata value = 1;
}

message pow_signature_data {
   bytes nonce = 1;
   bytes recoverable_signature = 2;
}