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Make exchange listening-for-deposits language stronger (bp #14775) #14801

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Jan 23, 2021
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Make exchange listening-for-deposits language stronger (bp #14775) #14801

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38 changes: 28 additions & 10 deletions docs/src/integrations/exchange.md
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Original file line number Diff line number Diff line change
Expand Up @@ -177,9 +177,9 @@ transfer to the appropriate deposit address.

### Poll for Blocks

The easiest way to track all the deposit accounts for your exchange is to poll
for each confirmed block and inspect for addresses of interest, using the
JSON-RPC service of your Solana api node.
To track all the deposit accounts for your exchange, poll for each confirmed
block and inspect for addresses of interest, using the JSON-RPC service of your
Solana API node.

- To identify which blocks are available, send a [`getConfirmedBlocks` request](developing/clients/jsonrpc-api.md#getconfirmedblocks),
passing the last block you have already processed as the start-slot parameter:
Expand Down Expand Up @@ -273,20 +273,38 @@ can request the block from RPC in binary format, and parse it using either our

### Address History

You can also query the transaction history of a specific address.
You can also query the transaction history of a specific address. This is
generally *not* a viable method for tracking all your deposit addresses over all
slots, but may be useful for examining a few accounts for a specific period of
time.

- Send a [`getConfirmedSignaturesForAddress`](developing/clients/jsonrpc-api.md#getconfirmedsignaturesforaddress)
request to the api node, specifying a range of recent slots:
- Send a [`getConfirmedSignaturesForAddress2`](developing/clients/jsonrpc-api.md#getconfirmedsignaturesforaddress2)
request to the api node:

```bash
curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc": "2.0","id":1,"method":"getConfirmedSignaturesForAddress","params":["6H94zdiaYfRfPfKjYLjyr2VFBg6JHXygy84r3qhc3NsC", 0, 10]}' localhost:8899
curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc": "2.0","id":1,"method":"getConfirmedSignaturesForAddress2","params":["6H94zdiaYfRfPfKjYLjyr2VFBg6JHXygy84r3qhc3NsC", {"limit": 3}]}' localhost:8899

{
"jsonrpc": "2.0",
"result": [
"35YGay1Lwjwgxe9zaH6APSHbt9gYQUCtBWTNL3aVwVGn9xTFw2fgds7qK5AL29mP63A9j3rh8KpN1TgSR62XCaby",
"4bJdGN8Tt2kLWZ3Fa1dpwPSEkXWWTSszPSf1rRVsCwNjxbbUdwTeiWtmi8soA26YmwnKD4aAxNp8ci1Gjpdv4gsr",
"dhjhJp2V2ybQGVfELWM1aZy98guVVsxRCB5KhNiXFjCBMK5KEyzV8smhkVvs3xwkAug31KnpzJpiNPtcD5bG1t6"
{
"err": null,
"memo": null,
"signature": "35YGay1Lwjwgxe9zaH6APSHbt9gYQUCtBWTNL3aVwVGn9xTFw2fgds7qK5AL29mP63A9j3rh8KpN1TgSR62XCaby",
"slot": 114
},
{
"err": null,
"memo": null,
"signature": "4bJdGN8Tt2kLWZ3Fa1dpwPSEkXWWTSszPSf1rRVsCwNjxbbUdwTeiWtmi8soA26YmwnKD4aAxNp8ci1Gjpdv4gsr",
"slot": 112
},
{
"err": null,
"memo": null,
"signature": "dhjhJp2V2ybQGVfELWM1aZy98guVVsxRCB5KhNiXFjCBMK5KEyzV8smhkVvs3xwkAug31KnpzJpiNPtcD5bG1t6",
"slot": 108
}
],
"id": 1
}
Expand Down