Differential D15665 Diff 46055 doc/chronik/docs/1-chronik-js/03-blocks.mdx

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				---
				sidebar_position: 4
				---

				# Blocks
				Access blocks using Chronik

				## `blocks(hashOrHeight)`

				Fetch the block given hash or height.

				See [blocks](api/classes/ChronikClientNode#blocks) API docs.

				```jsx live
				function DemoBlock() {
				return <Json fn={async () => {
				return await chronik.block(
				"000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f");
				}} />;
				}
				```

				## `blockTxs(hashOrHeight, page, pageSize)`

				Fetch the tx history of a block given hash or height. `page` and `pageSize` is optional.

				See [blockTxs](api/classes/ChronikClientNode#blocktxs) API docs.

				```jsx live
				function DemoBlockTxs() {
				return <Json fn={async () => {
				return await chronik.blockTxs(0);
				}} />;
				}
				```

				## `blocks(startHeight, endHeight)`

				Fetch block info of a range of blocks. `startHeight` and `endHeight` are inclusive ranges.

				See [blocks](api/classes/ChronikClientNode#blocks) API docs.

				```jsx live
				function DemoBlocks() {
				return <Json fn={async () => {
				return await chronik.blocks(50, 52);
				}} />;
				}
				```