Deploy on Okxchain X1 Testnet

[guidiaz]

As of Dec 5th:

• Pfs to be deployed:

  • OKB/USDT,
  • ETH/USD,
  • BTC/USD

• Implicit rebranding is required, afecting DFE, docs and multiple repos:

  • "OKXChain" -> "OKX"

[guidiaz]

Related PRs:

• https://github.com/witnet/witnet-solidity-bridge/pull/397
• https://github.com/witnet/witnet-feeds/pull/26
• https://github.com/witnet/witnet-price-feeds/pull/340
• https://github.com/witnet/data-feeds-explorer/pull/354
• https://github.com/otherplane/bridge-iac/pull/139
• https://github.com/witnet/web3-jsonrpc-gateway/pull/69
• https://github.com/witnet/data-feeds-explorer/pull/355
• https://github.com/witnet/data-feeds-explorer/pull/356
• https://github.com/otherplane/bridge-iac/pull/141

[guidiaz]

All contracts on WSB v0.7.16 were verified successfully.

[guidiaz]

Added new entry to https://www.notion.so/witnet/Witnet-supported-EVM-Testnets-e5a0f292e7cf4bd4b3896ce8cc1f459f.

[guidiaz]

Added addresses to https://docs.witnet.io.

[guidiaz]

• OKXChain is to be renamed to "OKT".
• Former block explorer for okxchain testnet changed url ==> updating links on DFE and docs