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miner mines continuously,

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moved to an account model,
transactions working,
querying working,
more checking of valid data
This commit is contained in:
Josip Milovac 2023-01-10 17:11:56 +11:00
parent 59bb42be11
commit 9847b2056b
12 changed files with 663 additions and 365 deletions
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64
wallet/transaction-pool.js
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@ -1,5 +1,6 @@
const Transaction = require('../wallet/transaction');
const Metadata = require('../wallet/metadata')
const Metadata = require('../wallet/metadata');
const Block = require('../blockchain/block');
const Return = {
add: 1,
@ -10,16 +11,16 @@ const Return = {
class TransactionPool {
constructor() {
this.transactions = [];
this.metadataS =[];
this.metadatas = [];
}
//returns true on update, false on add
updateOrAddTransaction(transaction) {
if (!Transaction.verifyTransaction(transaction)) {
if (!Transaction.verify(transaction)) {
console.log("Couldn't update or add transaction, transaction couldn't be verified");
return Return.error;
}
const foundIndex = this.transactions.findIndex(t => t.id === transaction.id);
const foundIndex = this.transactions.findIndex(t => t.input === transaction.input && t.counter === transaction.counter);
if (foundIndex !== -1) {
this.transactions[foundIndex] = transaction;
@ -36,13 +37,13 @@ class TransactionPool {
return Return.error;
}
const foundIndex = this.metadataS.findIndex(t => t.id === metadata.id);
const foundIndex = this.metadatas.findIndex(t => t.id === metadata.id);
if (foundIndex !== -1) {
this.metadataS[foundIndex] = metadata;
this.metadatas[foundIndex] = metadata;
return Return.update;
} else {
this.metadataS.push(metadata);
this.metadatas.push(metadata);
return Return.add;
}
}
@ -52,62 +53,41 @@ class TransactionPool {
}
existingMetadata(address) {
return this.metadataS.find(t => t.Signiture.address === address);
return this.metadatas.find(t => t.Signiture.address === address);
}
validTransactions() {
return this.transactions.filter(transaction => {
const outputTotal = transaction.outputs.reduce((total, output) => {
return total + output.amount;
}, 0);
if (transaction.input.amount !== outputTotal) {
console.log(`Invalid transaction from ${transaction.input.address}.`);
return;
}
if (!Transaction.verifyTransaction(transaction)) {
console.log(`Invalid signature from ${transaction.input.address}.`);
return;
}
return transaction;
});
//we could check for possible double spends here
validTransactionsCopy() {
return [...this.transactions];
}
validMetadataS(){
return this.metadataS.filter(metadata => {
if (!Metadata.verifyMetadata(metadata)) {
console.log(`Invalid signature from ${metadata.Signiture.address}.`);
return;
}
return metadata;
});
validMetadatasCopy(){
return [...this.metadatas];
}
clearFromBlock(block) {
const transactions = block.data[0];
const metadatas = block.data[1];
for (const transaction of transactions) {
const blockTransactions = Block.getTransactions(block);
const blockMetadatas = Block.getMetadatas(block);
for (const transaction of blockTransactions) {
const foundTransaction = this.transactions.findIndex(t => t.id === transaction.id);
if (foundTransaction !== -1) {
this.transactions.splice(foundTransaction, 1);
}
}
for (const metadata of metadatas) {
const foundMetadata = this.metadataS.findIndex(m => m.id === metadata.id);
for (const metadata of blockMetadatas) {
const foundMetadata = this.metadatas.findIndex(m => m.id === metadata.id);
if (foundMetadata !== -1) {
this.metadataS.splice(foundMetadata, 1);
this.metadatas.splice(foundMetadata, 1);
}
}
}
clearAll() {
this.transactions = [];
this.metadataS = [];
this.metadatas = [];
}
}