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feat: add getBlock and getTransaction apis (#17449)

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This commit is contained in:
Justin Starry
2021-05-25 10:12:47 -07:00
committed by GitHub
parent 3ae4806dae
commit 0dbe926efe
2 changed files with 413 additions and 34 deletions
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260
web3.js/test/connection.test.ts
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@ -1283,6 +1283,151 @@ describe('Connection', () => {
expect(result).to.be.empty;
});
it('get transaction', async () => {
await mockRpcResponse({
method: 'getSlot',
params: [],
value: 1,
});
while ((await connection.getSlot()) <= 0) {
continue;
}
await mockRpcResponse({
method: 'getConfirmedBlock',
params: [1],
value: {
blockTime: 1614281964,
blockhash: '57zQNBZBEiHsCZFqsaY6h176ioXy5MsSLmcvHkEyaLGy',
previousBlockhash: 'H5nJ91eGag3B5ZSRHZ7zG5ZwXJ6ywCt2hyR8xCsV7xMo',
parentSlot: 0,
transactions: [
{
meta: {
fee: 10000,
postBalances: [499260347380, 15298080, 1, 1, 1],
preBalances: [499260357380, 15298080, 1, 1, 1],
status: {Ok: null},
err: null,
},
transaction: {
message: {
accountKeys: [
'va12u4o9DipLEB2z4fuoHszroq1U9NcAB9aooFDPJSf',
'57zQNBZBEiHsCZFqsaY6h176ioXy5MsSLmcvHkEyaLGy',
'SysvarS1otHashes111111111111111111111111111',
'SysvarC1ock11111111111111111111111111111111',
'Vote111111111111111111111111111111111111111',
],
header: {
numReadonlySignedAccounts: 0,
numReadonlyUnsignedAccounts: 3,
numRequiredSignatures: 2,
},
instructions: [
{
accounts: [1, 2, 3],
data:
'37u9WtQpcm6ULa3VtWDFAWoQc1hUvybPrA3dtx99tgHvvcE7pKRZjuGmn7VX2tC3JmYDYGG7',
programIdIndex: 4,
},
],
recentBlockhash: 'GeyAFFRY3WGpmam2hbgrKw4rbU2RKzfVLm5QLSeZwTZE',
},
signatures: [
'w2Zeq8YkpyB463DttvfzARD7k9ZxGEwbsEw4boEK7jDp3pfoxZbTdLFSsEPhzXhpCcjGi2kHtHFobgX49MMhbWt',
'4oCEqwGrMdBeMxpzuWiukCYqSfV4DsSKXSiVVCh1iJ6pS772X7y219JZP3mgqBz5PhsvprpKyhzChjYc3VSBQXzG',
],
},
},
],
},
});
// Find a block that has a transaction, usually Block 1
let slot = 0;
let confirmedTransaction: string | undefined;
while (!confirmedTransaction) {
slot++;
const block = await connection.getBlock(slot);
if (block && block.transactions.length > 0) {
confirmedTransaction = block.transactions[0].transaction.signatures[0];
}
}
await mockRpcResponse({
method: 'getConfirmedTransaction',
params: [confirmedTransaction],
value: {
slot,
transaction: {
message: {
accountKeys: [
'va12u4o9DipLEB2z4fuoHszroq1U9NcAB9aooFDPJSf',
'57zQNBZBEiHsCZFqsaY6h176ioXy5MsSLmcvHkEyaLGy',
'SysvarS1otHashes111111111111111111111111111',
'SysvarC1ock11111111111111111111111111111111',
'Vote111111111111111111111111111111111111111',
],
header: {
numReadonlySignedAccounts: 0,
numReadonlyUnsignedAccounts: 3,
numRequiredSignatures: 2,
},
instructions: [
{
accounts: [1, 2, 3],
data:
'37u9WtQpcm6ULa3VtWDFAWoQc1hUvybPrA3dtx99tgHvvcE7pKRZjuGmn7VX2tC3JmYDYGG7',
programIdIndex: 4,
},
],
recentBlockhash: 'GeyAFFRY3WGpmam2hbgrKw4rbU2RKzfVLm5QLSeZwTZE',
},
signatures: [
'w2Zeq8YkpyB463DttvfzARD7k9ZxGEwbsEw4boEK7jDp3pfoxZbTdLFSsEPhzXhpCcjGi2kHtHFobgX49MMhbWt',
'4oCEqwGrMdBeMxpzuWiukCYqSfV4DsSKXSiVVCh1iJ6pS772X7y219JZP3mgqBz5PhsvprpKyhzChjYc3VSBQXzG',
],
},
meta: {
fee: 10000,
postBalances: [499260347380, 15298080, 1, 1, 1],
preBalances: [499260357380, 15298080, 1, 1, 1],
status: {Ok: null},
err: null,
},
},
});
const result = await connection.getTransaction(confirmedTransaction);
if (!result) {
expect(result).to.be.ok;
return;
}
const resultSignature = result.transaction.signatures[0];
expect(resultSignature).to.eq(confirmedTransaction);
const newAddress = Keypair.generate().publicKey;
const recentSignature = await helpers.airdrop({
connection,
address: newAddress,
amount: 1,
});
await mockRpcResponse({
method: 'getConfirmedTransaction',
params: [recentSignature],
value: null,
});
// Signature hasn't been finalized yet
const nullResponse = await connection.getTransaction(recentSignature);
expect(nullResponse).to.be.null;
});
it('get confirmed transaction', async () => {
await mockRpcResponse({
method: 'getSlot',
@ -1535,6 +1680,121 @@ describe('Connection', () => {
});
}
it('get block', async () => {
await mockRpcResponse({
method: 'getSlot',
params: [],
value: 1,
});
while ((await connection.getSlot()) <= 0) {
continue;
}
await mockRpcResponse({
method: 'getConfirmedBlock',
params: [0],
value: {
blockTime: 1614281964,
blockhash: 'H5nJ91eGag3B5ZSRHZ7zG5ZwXJ6ywCt2hyR8xCsV7xMo',
previousBlockhash: 'H5nJ91eGag3B5ZSRHZ7zG5ZwXJ6ywCt2hyR8xCsV7xMo',
parentSlot: 0,
transactions: [],
},
});
// Block 0 never has any transactions in test validator
const block0 = await connection.getBlock(0);
if (!block0) {
expect(block0).not.to.be.null;
return;
}
const blockhash0 = block0.blockhash;
expect(block0.transactions).to.have.length(0);
expect(blockhash0).not.to.be.null;
expect(block0.previousBlockhash).not.to.be.null;
expect(block0.parentSlot).to.eq(0);
await mockRpcResponse({
method: 'getConfirmedBlock',
params: [1],
value: {
blockTime: 1614281964,
blockhash: '57zQNBZBEiHsCZFqsaY6h176ioXy5MsSLmcvHkEyaLGy',
previousBlockhash: 'H5nJ91eGag3B5ZSRHZ7zG5ZwXJ6ywCt2hyR8xCsV7xMo',
parentSlot: 0,
transactions: [
{
meta: {
fee: 10000,
postBalances: [499260347380, 15298080, 1, 1, 1],
preBalances: [499260357380, 15298080, 1, 1, 1],
status: {Ok: null},
err: null,
},
transaction: {
message: {
accountKeys: [
'va12u4o9DipLEB2z4fuoHszroq1U9NcAB9aooFDPJSf',
'57zQNBZBEiHsCZFqsaY6h176ioXy5MsSLmcvHkEyaLGy',
'SysvarS1otHashes111111111111111111111111111',
'SysvarC1ock11111111111111111111111111111111',
'Vote111111111111111111111111111111111111111',
],
header: {
numReadonlySignedAccounts: 0,
numReadonlyUnsignedAccounts: 3,
numRequiredSignatures: 2,
},
instructions: [
{
accounts: [1, 2, 3],
data:
'37u9WtQpcm6ULa3VtWDFAWoQc1hUvybPrA3dtx99tgHvvcE7pKRZjuGmn7VX2tC3JmYDYGG7',
programIdIndex: 4,
},
],
recentBlockhash: 'GeyAFFRY3WGpmam2hbgrKw4rbU2RKzfVLm5QLSeZwTZE',
},
signatures: [
'w2Zeq8YkpyB463DttvfzARD7k9ZxGEwbsEw4boEK7jDp3pfoxZbTdLFSsEPhzXhpCcjGi2kHtHFobgX49MMhbWt',
'4oCEqwGrMdBeMxpzuWiukCYqSfV4DsSKXSiVVCh1iJ6pS772X7y219JZP3mgqBz5PhsvprpKyhzChjYc3VSBQXzG',
],
},
},
],
},
});
// Find a block that has a transaction, usually Block 1
let x = 1;
while (x < 10) {
const block1 = await connection.getBlock(x);
if (block1 && block1.transactions.length >= 1) {
expect(block1.previousBlockhash).to.eq(blockhash0);
expect(block1.blockhash).not.to.be.null;
expect(block1.parentSlot).to.eq(0);
expect(block1.transactions[0].transaction).not.to.be.null;
break;
}
x++;
}
await mockRpcResponse({
method: 'getConfirmedBlock',
params: [Number.MAX_SAFE_INTEGER],
error: {
message: `Block not available for slot ${Number.MAX_SAFE_INTEGER}`,
},
});
await expect(
connection.getBlock(Number.MAX_SAFE_INTEGER),
).to.be.rejectedWith(
`Block not available for slot ${Number.MAX_SAFE_INTEGER}`,
);
});
it('get confirmed block', async () => {
await mockRpcResponse({
method: 'getSlot',