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hard limit tps to protect system temporarily

This release prioritizes to process native transfer txs compared to js contract txs in tx pool. This can greatly improve node stability for senario when encountering a lot of inscription txs. We think this should be a mandatory upgrade.

prioritize transfer tx in tx pool

libp2p: enable yamux.

mplex is removed in latest libp2p, so we will also remove support for mplex in next version.

Optional upgrade but suggested.

This is the final release of a series releases to upgrade libp2p. In v3.8.1, tls and noise were enabled. In v3.9.1, secio was disabled by default. In this release, secio was totally dropped.

• Upgrade libp2p to v0.22.0
• Remove some unused codes like delaytx and old fork
• Fix the error "The request SyncBlockHashRequest from ... timed out"

Wed Aug 24 15:07:54 CST 2022

Mandatory upgrade: nodes should upgrade before September 14th.

• Upgrade to Ubuntu 20.04 and Go 1.19
• Upgrade libp2p and disable secio by default
• No longer store history block headers inside statedb to reduce disk usage
• Add an optional field "stop" in config file so the node will exit after flushing that block.

Tue Jun 28 19:35:37 CST 2022

Compatible upgrade.

Fix some floating point display rounding precision error in RPC (example: 556.3878738799999 vs 556.38787388) Fix iwallet account update key command example

Hot fix for v3.8.1

Fix two much p2p log during some edge case network condition More details: github.com/iost-official/go-iost/commit/08c4516dcc95db689da57502ae3a5cea765e3a2f

Tue May 31 19:55:13 CST 2022

Nodes should upgrade to this new version.

1. Support tls and noise security protocol in libp2p
2. Improve p2p rejoin time when reboot

Wed Mar 16 16:07:42 UTC 2022

Compatible upgrade.

• Upgrade to Go 1.18

• Return gas/ram usage of tx in ExecTransaction

• Show free disk space in metric

  "gitHash": "560ab682eac02b307074fd2a8c89258a337a9dcc", "codeVersion": "3.8.0",