put blockchain_db into library

Cargo.toml

@@ -6,14 +6,19 @@ rust-version = "1.67.0"
 description = "An upcoming experimental, modern & secure monero node"
 readme = "readme.md"
 repository = "https://github.com/SyntheticBird45/cuprate"
-license = "BSD-3-Clause"
+license = "GPL-3"
 license-file = "LICENSE"
 
 # All Contributors on github
-authors=["SyntheticBird45"]
+authors=[
+        "SyntheticBird45 <@someoneelse495495:matrix.org>"
+        ]
 
+[workspace]
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+members = [
+        "blockchain_db"
+]
 
 [dependencies]
 monero = {version = "*", features = ['serde']}

blockchain_db/Cargo.toml

@@ -0,0 +1,18 @@
+[package]
+name = "blockchain_db"
+version = "0.0.1"
+edition = "2021"
+rust-version = "1.67.0"
+
+# All Contributors on github
+authors=[
+        "SyntheticBird45 <@someoneelse495495:matrix.org>"
+        ]
+        
+
+[dependencies]
+monero = {version = "*", features = ['serde']}
+serde = "*"
+
+# As suggested by /u/danda :
+thiserror = "*"

blockchain_db/src/lib.rs

@@ -1,16 +1,26 @@
 use thiserror::Error;
 use monero::{Hash, Transaction, Block, BlockHeader};
 
-use crate::{cryptonote_protocol::enums::{RelayMethod}, cryptonote_basic::difficulty::difficulty_type, blockchain_db::{}};
 use std::{error::Error, ops::Range};
 
 const MONERO_DEFAULT_LOG_CATEGORY: &str = "blockchain.db";
 
+pub type difficulty_type = u128;
 type Blobdata = Vec<u8>;
 type TxOutIndex = (Hash, u64);
 
+/// Methods tracking how a tx was received and relayed
+pub enum RelayMethod {
+        none,                           //< Received via RPC with `do_not_relay` set
+        local,                            //< Received via RPC; trying to send over i2p/tor, etc.
+        forward,                     //< Received over i2p/tor; timer delayed before ipv4/6 public broadcast
+        stem,                           //< Received/send over network using Dandelion++ stem
+        fluff,                             //< Received/sent over network using Dandelion++ fluff
+        block,                           //< Received in block, takes precedence over others
+}
+
 // the database types are going to be defined in the monero rust library.
-pub(in super) enum RelayCategory {
+pub enum RelayCategory {
         broadcasted,                                                                        //< Public txes received via block/fluff
         relayable,                                                                               //< Every tx not marked `relay_method::none`
         legacy,                                                                                     //< `relay_category::broadcasted` + `relay_method::none` for rpc relay requests or historical reasons
@@ -96,7 +106,7 @@ pub enum TESTTT {
 
 #[allow(dead_code)]
 #[derive(Error, Debug)]
-pub(in super) enum DB_FAILURES {
+pub enum DB_FAILURES {
         #[error("DB_ERROR: `{0}`. The database is likely corrupted.")]
         DB_ERROR(String),
         #[error("DB_ERROR_TXN_START: `{0}`. The database failed starting a txn.")]
@@ -132,7 +142,7 @@ pub(in super) enum DB_FAILURES {
         HASH_DNE(Option<Hash>),
 }
 
-pub(in super) trait BlockchainDB {
+pub trait BlockchainDB {
 
         // supposed to be private
 

src/cryptonote_basic/difficulty.rs

@@ -1 +0,0 @@
-pub type difficulty_type = u128;

src/cryptonote_protocol/enums.rs

@@ -1,9 +0,0 @@
-/// Methods tracking how a tx was received and relayed
-pub enum RelayMethod {
-        none,                           //< Received via RPC with `do_not_relay` set
-        local,                            //< Received via RPC; trying to send over i2p/tor, etc.
-        forward,                     //< Received over i2p/tor; timer delayed before ipv4/6 public broadcast
-        stem,                           //< Received/send over network using Dandelion++ stem
-        fluff,                             //< Received/sent over network using Dandelion++ fluff
-        block,                           //< Received in block, takes precedence over others
-}