Crashes, No Sound, or Screen Glitches?
Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.Free scan · under a minutePC Slower Than It Used to Be?
A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11If Midnight returns a contract address but an explorer says it cannot find the contract, first check which network received the deployment. An address returned by a local deployment is not automatically visible on Preview, Preprod, or Mainnet. Match the app’s network ID, RPC, indexer, and explorer; then verify that the deployment transaction finalized.
What a contract address does—and does not—prove
A contract address identifies a deployed contract so a DApp or wallet can locate and interact with it. Midnight’s glossary says the address is derived from the deployment transaction and remains fixed for that contract’s lifetime. But receiving or printing an address is not, on its own, proof that the contract was deployed to the public network you are searching.
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Midnight distinguishes the local undeployed network from the public preprod, preview, and mainnet networks. A contract deployed locally may be available to your local app while remaining absent from a public explorer. The official deployment guide explains the network distinction and directs developers to use an explorer for the network where they deployed.
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Confirm the network ID
Check the network ID your Midnight.js application actually sets, rather than relying on the network you intended to use. The supported options in the deployment guide include local
undeployedand publicpreprod,preview, andmainnet. If you deployed toundeployed, search your local environment, not a public explorer.#1 Best Overall
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Match the RPC, indexer, and explorer to that network
All three should point to the same environment. An app configured for Preprod will not be correctly checked by a Preview explorer, for example. Midnight’s environment and endpoints reference lists current endpoints and explorer options. An earlier troubleshooting account reported a project configured for the retired
testnet-02; for legacy projects, compare saved settings with the current official list rather than assuming an old endpoint still serves the same network. -
Verify the deployment transaction finalized
Keep both the returned contract address and the deployment transaction details. The deployment guide describes
deployContractreturning an address and the transaction resolving once finalized. Look up the transaction on an explorer for the deployment network; the guide’s example uses a Preprod explorer to inspect the deploy transaction and subsequent calls. If the transaction did not complete, the address alone cannot establish a successful public deployment. -
Check wallet funding and DUST registration if submission failed
For Preprod, Midnight’s wallet funding guide says the wallet needs tNIGHT and DUST registration. Without DUST, submission fails with
Wallet.InsufficientFunds. Treat that as a submission problem, not evidence that an explorer is merely slow.Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy. -
Inspect proof generation and provider configuration if deployment hangs
Midnight.js generates a zero-knowledge proof, balances the transaction with DUST, and submits it; state reads use the indexer. A community troubleshooting article identifies the proof server and network configuration as initial suspects when deployment or DUST registration hangs. That is practical diagnostic advice, not proof of a specific failure: use transaction and service evidence to determine where your attempt stopped.
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Allow for the first wallet sync
The deployment guide notes that a fresh Preprod wallet’s first sync traverses chain history and takes substantially longer than a local network. Slow initial synchronization alone does not show that a deployment failed.
Use endpoints and explorers for the same environment
The following endpoint and explorer details are from Midnight’s official environment reference as accessed on 5 October 2026. Network infrastructure can change, so check that reference again before updating a project or diagnosing an endpoint failure.
| Network | RPC | Indexer | Explorer options |
|---|---|---|---|
| Preview | https://rpc.preview.midnight.network | https://indexer.preview.midnight.network/api/v4/graphql | preview.midnightexplorer.com; midnight-preview.subscan.io |
| Preprod | https://rpc.preprod.midnight.network | https://indexer.preprod.midnight.network/api/v4/graphql | preprod.midnightexplorer.com; midnight-preprod.subscan.io |
| Mainnet | Use the provider and endpoint configuration currently documented by Midnight; the former Midnight-hosted RPC was retired. | Blockfrost is identified by Midnight as the primary public Mainnet indexer and node RPC provider as of 1 October 2026; requests require a Blockfrost Midnight Mainnet project token. | Use an explorer configured for Mainnet; the cited environment reference does not list a Mainnet explorer option. |
Midnight’s environment reference states that its hosted Mainnet RPC and indexer endpoints, rpc.mainnet.midnight.network and indexer.mainnet.midnight.network, were retired at 22:00 UTC on 30 September 2026. It identifies Blockfrost as the primary public Mainnet indexer and node RPC provider from 1 October and says requests need a Blockfrost Midnight Mainnet project token. Confirm current provider instructions in the official endpoint reference before changing configuration.
Separate transaction evidence from explorer visibility
A deployment transaction and a contract lookup answer related but different questions. The transaction is evidence about whether deployment was submitted and finalized on a particular network. An explorer’s contract or address view depends on checking that same network and on the explorer’s available data. The official guide points developers to the matching explorer, but the cited documentation does not establish a general indexing-delay threshold or prove an indexing delay in any particular case.
Best Value
- Wrong network: the address may belong to a local or different public environment than the one being searched.
- Unfinished or failed submission: inspect the deployment transaction and wallet error; an address in application output is not a substitute for a finalized transaction.
- Endpoint mismatch: a current network ID paired with an old RPC or indexer can send requests to the wrong or unavailable service.
- Explorer lookup mismatch: search the address or transaction on an explorer for the actual deployment network.
The available documentation gives configuration and operational guidance, not a measured failure rate or a universal time by which every deployment must appear in an explorer. Avoid concluding “indexer delay” without evidence that the transaction finalized on the intended network and that the relevant services are operating.
Quick Recap
Sources
- Midnight Docs: Deploying and operating a contract
- Midnight Docs: Environments and endpoints
- Midnight Docs: Glossary
- Midnight Docs: Funding a wallet
- DEV Community: troubleshooting account, 26 June 2026
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