NFT Marketplace

Documentation Index

Fetch the complete documentation index at: https://docs.moralis.com/llms.txt

Use this file to discover all available pages before exploring further.

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Who it’s for

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The recipe bundle

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How the pieces fit

                          NFT Collection Metadata
                            (labels everything)
                                   │
NFT Transfers ──► NFT Owners by Contract  (owners of a collection)
   (movements)└─► NFTs by Wallet          (a wallet's inventory)

NFT Trades ─────► sale history · volume · floor / last-sale

• NFT Transfers is the substrate: every (token_address, token_id) movement, in on-chain order. The two ownership views are the same ingest sorted two ways — NFT Owners by Contract keys on (token_address, token_id, wallet) to answer “who owns this collection,” and NFTs by Wallet keys on (wallet, token_address, token_id) to answer “what does this wallet hold.”
• NFT Trades is the marketplace-settled subset, enriched with seller, buyer, price, and marketplace address — the feed behind sale history, volume charts, and last-sale prices.
• NFT Collection Metadata is the label layer: join token_address to attach a collection’s name, symbol, and contract type to any trade, holding, or transfer row.

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Building a collection dashboard

-- Recent sales for a collection, newest first.
SELECT  t.block_number,
        t.token_id,
        t.seller_address,
        t.buyer_address,
        t.price,
        t.price_token_address,
        t.marketplace_address,
        t.tx_hash
FROM    recipe_nft_trades.fact_nft_trades AS t FINAL
WHERE   t.chain_id = 1
  AND   t.token_address = lower('0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D')
ORDER BY t.block_number DESC
LIMIT 50;

-- Current owners of a collection (latest non-zero holding per token_id + wallet).
SELECT  token_id,
        wallet_address,
        argMax(contract_type, (block_number, log_index)) AS contract_type,
        argMax(amount,        (block_number, log_index)) AS current_amount
FROM    recipe_nft_owners_by_contract.fact_nft_owners_by_contract FINAL
WHERE   chain_id = 1
  AND   token_address = lower('0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D')
GROUP BY token_id, wallet_address
HAVING  current_amount != '0' AND current_amount != ''
ORDER BY token_id, wallet_address;

SELECT  token_address,
        argMax(name,          (block_number, transaction_index)) AS name,
        argMax(symbol,        (block_number, transaction_index)) AS symbol,
        argMax(contract_type, (block_number, transaction_index)) AS contract_type
FROM    recipe_nft_collection_metadata.fact_nft_collection_metadata FINAL
WHERE   chain_id = 1
  AND   token_address = lower('0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D')
GROUP BY token_address;

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Notes and considerations

• Read canonical state correctly. ClickHouse recipes use the collapsing log-table pattern. Read with FINAL or a sign-aware aggregate (argMax over the latest (block_number, log_index)) — never a bare WHERE sign = 1, which double-counts reorged rows.
• No off-chain enrichment. The trade and transfer arrays carry no marketplace human-name, no USD price, and no address labels. price is in price_token_address units; value it in USD by joining a Token Prices sync, and resolve marketplace/address names in your own application.
• Ownership = current state. NFT Owners by Contract and NFTs by Wallet keep the latest holding per key; filter to non-zero amounts to drop wallets that transferred out. For full history, read NFT Transfers or NFT Trades directly.
• ERC-721 vs ERC-1155. contract_type carries the discriminator. ERC-1155 amount can exceed 1 per (token_id, wallet); raw uint256 amounts are stored as text — compare against '0', don’t assume a single-owner-per-token model.
• Chains. NFT Trades, Transfers, Owners by Contract, NFTs by Wallet, and Collection Metadata are chain-parametrized — point them at any supported EVM chain or Solana. Solana marketplace trades (Magic Eden, Tensor, and others) populate the same trade shape; trade identity is widened with (seller, buyer, token_address, token_id) to keep rows distinct where one instruction shares a log_index.
• Scale and live tailing. Run the ClickHouse path in hybrid mode to backfill collection history and then stay current, reorg-safe, at the chain head. For a chain-wide view across many collections, the by-collection and by-token-id prefixes keep reads scoped.
• Pair with other recipes. Add Token Prices to value trades in USD, and Wallet History for a per-wallet feed that already folds NFT transfers in alongside tokens and swaps.

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