From 0151beb00df427403e24b4c53ce31002660d0094 Mon Sep 17 00:00:00 2001
From: Chris <combsc@umich.edu>
Date: Mon, 6 Jan 2025 05:00:56 -0500
Subject: [PATCH] Modify SQL queries in crypto tutorial part 2 to work with
static crypto dataset (#3668)
* change NOW calls to 2023-11-22
* Update blockchain-dataset.md
Signed-off-by: Iain Cox <iain@timescale.com>
---
.../ingest-query-btc-transactions.md | 3 +--
.../analyze-blockchain-query.md | 26 +++++++++----------
.../blockchain-analyze/blockchain-dataset.md | 10 +++----
.../blockchain-query/blockchain-dataset.md | 10 +++----
4 files changed, 20 insertions(+), 29 deletions(-)
diff --git a/tutorials/OLD_analyze-bitcoin-blockchain/ingest-query-btc-transactions.md b/tutorials/OLD_analyze-bitcoin-blockchain/ingest-query-btc-transactions.md
index be5cb01fb9..34a23ff04b 100644
--- a/tutorials/OLD_analyze-bitcoin-blockchain/ingest-query-btc-transactions.md
+++ b/tutorials/OLD_analyze-bitcoin-blockchain/ingest-query-btc-transactions.md
@@ -103,8 +103,7 @@ CREATE UNIQUE INDEX time_hash_idx ON public.transactions (time, hash)
You created the hypertable and added proper indexes.
Next, ingest some Bitcoin transactions. The sample data file
-contains Bitcoin transactions from the past five days. This CSV file is
-updated daily so you always download recent Bitcoin transactions.
+contains around 1.5 million Bitcoin transactions, the trades for five days.
Insert this dataset into your TimescaleDB instance.
<Procedure>
diff --git a/tutorials/blockchain-analyze/analyze-blockchain-query.md b/tutorials/blockchain-analyze/analyze-blockchain-query.md
index 6936e7fb90..f5b1861744 100644
--- a/tutorials/blockchain-analyze/analyze-blockchain-query.md
+++ b/tutorials/blockchain-analyze/analyze-blockchain-query.md
@@ -158,20 +158,20 @@ fees to decrease.
tx_count as "tx volume",
average(stats_fee_sat) as fees
FROM one_hour_transactions
- WHERE bucket > NOW() - INTERVAL '2 days'
+ WHERE bucket > date_add('2023-11-22 00:00:00+00', INTERVAL '-2 days')
ORDER BY 1;
```
1. The data you get back looks a bit like this:
```sql
- time | tx volume | fees
+ time | tx volume | fees
------------------------+-----------+--------------------
- 2023-06-13 08:00:00+00 | 20063 | 7075.682450281613
- 2023-06-13 09:00:00+00 | 16984 | 7302.61716910033
- 2023-06-13 10:00:00+00 | 15856 | 9682.086402623612
- 2023-06-13 11:00:00+00 | 24967 | 5631.992550166219
- 2023-06-13 12:00:00+00 | 8575 | 17594.24256559767
+ 2023-11-20 01:00:00+00 | 2602 | 105963.45810914681
+ 2023-11-20 02:00:00+00 | 33037 | 26686.814117504615
+ 2023-11-20 03:00:00+00 | 42077 | 22875.286546094067
+ 2023-11-20 04:00:00+00 | 46021 | 20280.843180287262
+ 2023-11-20 05:00:00+00 | 20828 | 24694.472969080085
...
```
@@ -212,7 +212,7 @@ transaction volume, along with the BTC to US Dollar conversion rate.
tx_count as "tx volume",
total_fee_usd / (total_fee_sat*0.00000001) AS "btc-usd rate"
FROM one_hour_transactions
- WHERE bucket > NOW() - INTERVAL '2 days'
+ WHERE bucket > date_add('2023-11-22 00:00:00+00', INTERVAL '-2 days')
ORDER BY 1;
```
@@ -268,7 +268,7 @@ transactions in a block, the higher the mining fee becomes.
avg(tx_count) AS transactions,
avg(block_fee_sat)*0.00000001 AS "mining fee"
FROM one_hour_blocks
- WHERE bucket > now() - INTERVAL '5 day'
+ WHERE bucket > date_add('2023-11-22 00:00:00+00', INTERVAL '-5 days')
GROUP BY bucket
ORDER BY 1;
```
@@ -325,7 +325,7 @@ units, in which case it's impossible for a block to include more transactions.
avg(block_weight) as "block weight",
avg(block_fee_sat*0.00000001) as "mining fee"
FROM one_hour_blocks
- WHERE bucket > now() - INTERVAL '5 day'
+ WHERE bucket > date_add('2023-11-22 00:00:00+00', INTERVAL '-5 days')
group by bucket
ORDER BY 1;
```
@@ -383,7 +383,7 @@ few percentage points of overall revenue.
```sql
WITH coinbase AS (
SELECT block_id, output_total AS coinbase_tx FROM transactions
- WHERE is_coinbase IS TRUE and time > NOW() - INTERVAL '5 days'
+ WHERE is_coinbase IS TRUE and time > date_add('2023-11-22 00:00:00+00', INTERVAL '-5 days')
)
SELECT
bucket as "time",
@@ -451,7 +451,7 @@ grow for individual blocks, and they could include even more transactions.
bucket,
stats_agg(block_weight, block_fee_sat) AS block_stats
FROM one_hour_blocks
- WHERE bucket > NOW() - INTERVAL '5 days'
+ WHERE bucket > date_add('2023-11-22 00:00:00+00', INTERVAL '-5 days')
GROUP BY bucket
)
SELECT
@@ -512,7 +512,7 @@ increase the time range.
average_y(rolling(stats_miner_revenue) OVER (ORDER BY bucket RANGE '12 hours' PRECEDING))*0.00000001 AS "revenue in BTC",
average_x(rolling(stats_miner_revenue) OVER (ORDER BY bucket RANGE '12 hours' PRECEDING)) AS "revenue in USD"
FROM one_hour_coinbase
- WHERE bucket > NOW() - INTERVAL '5 days'
+ WHERE bucket > date_add('2023-11-22 00:00:00+00', INTERVAL '-5 days')
ORDER BY 1;
```
diff --git a/tutorials/blockchain-analyze/blockchain-dataset.md b/tutorials/blockchain-analyze/blockchain-dataset.md
index f199d49bba..7f9bc857ce 100644
--- a/tutorials/blockchain-analyze/blockchain-dataset.md
+++ b/tutorials/blockchain-analyze/blockchain-dataset.md
@@ -25,13 +25,9 @@ the past five days, in a hypertable named `transactions`.
<Collapsible heading="The dataset" defaultExpanded={false}>
-The dataset is updated daily and contains data from the last five days,
-typically around 1.5 million Bitcoin transactions. The data includes information
-about each transaction, including the value of the transaction in
-[satoshi][satoshi-def], the smallest denomination of Bitcoin. It also states if
-a transaction is the first transaction in a block, known as a
-[coinbase][coinbase-def] transaction, which includes the reward a coin miner
-receives for mining the coin.
+The dataset contains around 1.5 million Bitcoin transactions, the trades for five days. It includes
+information about each transaction, along with the value in [satoshi][satoshi-def]. It also states if a
+trade is a [coinbase][coinbase-def] transaction, and the reward a coin miner receives for mining the coin.
<CreateHypertableBlockchain />
diff --git a/tutorials/blockchain-query/blockchain-dataset.md b/tutorials/blockchain-query/blockchain-dataset.md
index 852b0862f5..001c67afef 100644
--- a/tutorials/blockchain-query/blockchain-dataset.md
+++ b/tutorials/blockchain-query/blockchain-dataset.md
@@ -24,13 +24,9 @@ the past five days, in a hypertable named `transactions`.
<Collapsible heading="The dataset" defaultExpanded={false}>
-The dataset is updated daily and contains data from the last five days,
-typically around 1.5 million Bitcoin transactions. The data includes information
-about each transaction, including the value of the transaction in
-[satoshi][satoshi-def], the smallest denomination of Bitcoin. It also states if
-a transaction is the first transaction in a block, known as a
-[coinbase][coinbase-def] transaction, which includes the reward a coin miner
-receives for mining the coin.
+The dataset contains around 1.5 million Bitcoin transactions, the trades for five days. It includes
+information about each transaction, along with the value in [satoshi][satoshi-def]. It also states if a
+trade is a [coinbase][coinbase-def] transaction, and the reward a coin miner receives for mining the coin.
<CreateHypertableBlockchain />