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+# libsam
+
+## Install
+
+```sh
+go get github.com/samlior/libsam
+```
+
+## Shreder
+
+### Endpoint
+
+| region | shreder url           |
+| :----- | :-------------------- |
+| fra    | fra1.shreder.xyz:9991 |
+| ams    | ams1.shreder.xyz:9991 |
+| ewr    | ny1.shreder.xyz:9991  |
+
+### Usage
+
+See [example](./cmd/shreder/main.go).
+
+## SWQoS
+
+### Recommended configuration
+
+<details><summary> Frankfurt </summary>
+
+```json
+{
+    "name": "helius",
+    "sendTxUrl": "http://fra-sender.helius-rpc.com/fast",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://fra-sender.helius-rpc.com/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "0slot",
+    "sendTxUrl": "http://de2.0slot.trade?api-key=3fec78a0d361418a8eff95be9ed85cc3&anti-mev=true",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://de2.0slot.trade/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "blockrazor",
+    "sendTxUrl": "frankfurt.solana-grpc.blockrazor.xyz:80",
+    "sendBundleUrl": "",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "node1",
+    "sendTxUrl": "http://fra.node1.me",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://fra.node1.me/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "nextblock",
+    "sendTxUrl": "http://frankfurt.nextblock.io/api/v2/submit",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://frankfurt.nextblock.io/api/v2/ping",
+    "tips": "0.001",
+    "rateLimit": 4
+},
+{
+    "name": "flashBlock",
+    "sendTxUrl": "http://fra.flashblock.trade/api/v2/submit-batch",
+    "sendBundleUrl": "http://fra.flashblock.trade/api/v2/submit-batch",
+    "keepAliveUrl": "http://fra.flashblock.trade/api/v2/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "astralane",
+    "sendTxUrl": "http://fr.gateway.astralane.io/iris?api-key=zhaozNc5OIadLPI3r9nUVVPpCZcQAUjngO6Tgr5XUJcmBrIisFaaZF81Ijn01Ytn",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://fr.gateway.astralane.io/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "nozomi",
+    "sendTxUrl": "http://fra2.nozomi.temporal.xyz/?c=34cff37e-f1a5-446a-98bb-66aa1b62cb74",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://fra2.nozomi.temporal.xyz/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "stellium",
+    "sendTxUrl": "http://fra1.flashrpc.com/be95e80d-afc2-4a48-b017-db021fc4c19e",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://fra1.flashrpc.com/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "blocxroute",
+    "sendTxUrl": "http://germany.solana.dex.blxrbdn.com/api/v2/submit",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://germany.solana.dex.blxrbdn.com/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+}
+```
+
+</details>
+
+<details><summary> Amsterdam </summary>
+
+```json
+{
+    "name": "helius",
+    "sendTxUrl": "http://ams-sender.helius-rpc.com/fast",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://ams-sender.helius-rpc.com/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "0slot",
+    "sendTxUrl": "http://ams1.0slot.trade?api-key=3fec78a0d361418a8eff95be9ed85cc3&anti-mev=true",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://ams1.0slot.trade/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "blockrazor",
+    "sendTxUrl": "amsterdam.solana-grpc.blockrazor.xyz:80",
+    "sendBundleUrl": "",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "node1",
+    "sendTxUrl": "http://ams.node1.me",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://ams.node1.me/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "nextblock",
+    "sendTxUrl": "http://amsterdam.nextblock.io/api/v2/submit",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://amsterdam.nextblock.io/api/v2/ping",
+    "tips": "0.001",
+    "rateLimit": 4
+},
+{
+    "name": "flashBlock",
+    "sendTxUrl": "http://ams.flashblock.trade/api/v2/submit-batch",
+    "sendBundleUrl": "http://ams.flashblock.trade/api/v2/submit-batch",
+    "keepAliveUrl": "http://ams.flashblock.trade/api/v2/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "astralane",
+    "sendTxUrl": "http://ams.gateway.astralane.io/iris?api-key=zhaozNc5OIadLPI3r9nUVVPpCZcQAUjngO6Tgr5XUJcmBrIisFaaZF81Ijn01Ytn",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://ams.gateway.astralane.io/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "nozomi",
+    "sendTxUrl": "http://ams1.nozomi.temporal.xyz/?c=34cff37e-f1a5-446a-98bb-66aa1b62cb74",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://ams1.nozomi.temporal.xyz/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "stellium",
+    "sendTxUrl": "http://ams1.flashrpc.com/be95e80d-afc2-4a48-b017-db021fc4c19e",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://ams1.flashrpc.com/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "blocxroute",
+    "sendTxUrl": "http://amsterdam.solana.dex.blxrbdn.com/api/v2/submit",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://amsterdam.solana.dex.blxrbdn.com/api/v2/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+}
+```
+
+</details>
+
+<details><summary> Newark </summary>
+
+```json
+{
+    "name": "helius",
+    "sendTxUrl": "http://ewr-sender.helius-rpc.com/fast",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://ewr-sender.helius-rpc.com/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "0slot",
+    "sendTxUrl": "http://ny1.0slot.trade?api-key=3fec78a0d361418a8eff95be9ed85cc3&anti-mev=true",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://ny1.0slot.trade/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "blockrazor",
+    "sendTxUrl": "newyork.solana-grpc.blockrazor.xyz:80",
+    "sendBundleUrl": "",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "node1",
+    "sendTxUrl": "http://ny.node1.me",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://ny.node1.me/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "nextblock",
+    "sendTxUrl": "http://ny.nextblock.io/api/v2/submit",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://ny.nextblock.io/api/v2/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+
+},
+{
+    "name": "flashBlock",
+    "sendTxUrl": "http://ny.flashblock.trade/api/v2/submit-batch",
+    "sendBundleUrl": "http://ny.flashblock.trade/api/v2/submit-batch",
+    "keepAliveUrl": "http://ny.flashblock.trade/api/v2/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "astralane",
+    "sendTxUrl": "http://ny.gateway.astralane.io/iris?api-key=zhaozNc5OIadLPI3r9nUVVPpCZcQAUjngO6Tgr5XUJcmBrIisFaaZF81Ijn01Ytn",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://ny.gateway.astralane.io/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "nozomi",
+    "sendTxUrl": "http://ewr1.nozomi.temporal.xyz/?c=34cff37e-f1a5-446a-98bb-66aa1b62cb74",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://ewr1.nozomi.temporal.xyz/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "stellium",
+    "sendTxUrl": "http://ewr1.flashrpc.com/be95e80d-afc2-4a48-b017-db021fc4c19e",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://ewr1.flashrpc.com/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "blocxroute",
+    "sendTxUrl": "http://ny.solana.dex.blxrbdn.com/api/v2/submit",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://ny.solana.dex.blxrbdn.com/api/v2/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+}
+```
+
+</details>
+
+### Usage
+
+See [example](./cmd/send_tx/main.go).