divide realm into multiple files for better readability

matijamarjanovic · Jan 21, 2025 · 3c5d8dc · 3c5d8dc
1 parent b5a8206
commit 3c5d8dc
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diff --git a/examples/gno.land/r/matijamarjanovic/tokenhub/getters.gno b/examples/gno.land/r/matijamarjanovic/tokenhub/getters.gno
@@ -0,0 +1,94 @@
+package tokenhub
+
+import (
+	//"std"
+	"strings"
+	"gno.land/p/demo/grc/grc20"
+	"gno.land/p/demo/grc/grc721"
+	"gno.land/p/demo/grc/grc1155"
+	"gno.land/r/demo/grc20reg"
+	"gno.land/p/demo/ufmt"
+)
+
+func GetUserBalancesWithZeros(userNameOrAddress string) string {
+	return getBalances(userNameOrAddress)
+}
+
+func GetUserBalances(userNameOrAddress string) string {
+	return getNonZeroBalances(userNameOrAddress)
+}
+
+func GetToken(key string) *grc20.Token {
+	getter := grc20reg.Get(key)
+	return getter()
+}
+
+func MustGetToken(key string) *grc20.Token {
+	getter := grc20reg.MustGet(key)
+	return getter()
+}
+
+func GetNFT(key string) grc721.IGRC721 {
+	nftGetter, ok := registeredNFTs.Get(key)
+	if !ok {
+		return nil
+	}
+	nft := nftGetter.(grc721.IGRC721)
+	return nft
+}
+
+func MustGetNFT(key string) grc721.IGRC721 {
+	nftGetter := GetNFT(key)
+	if nftGetter == nil {
+		panic("unknown NFT: " + key)
+	}
+	return nftGetter
+}
+
+func GetMultiToken(key string) grc1155.IGRC1155 {
+	info, ok := registeredMTs.Get(key)
+	if !ok {
+		return nil
+	}
+	mt := info.(GRC1155TokenInfo).Collection
+	return mt()
+}
+
+func MustGetMultiToken(key string) grc1155.IGRC1155 {
+	info := GetMultiToken(key)
+	if info == nil {
+		panic("unknown multi-token: " + key)
+	}
+	return info
+}
+
+func GetAllNFTs() string {
+	var sb strings.Builder
+	registeredNFTs.Iterate("", "", func(key string, value interface{}) bool {
+		sb.WriteString(ufmt.Sprintf("NFT:%s,", key))
+		return false
+	})
+	return sb.String()
+}
+
+func GetAllTokens() string {
+	var sb strings.Builder
+	grc20reg.Iterate(func(key string, tokenGetter grc20.TokenGetter) bool {
+		sb.WriteString(ufmt.Sprintf("Token:%s,", key))
+		return false
+	})
+	return sb.String()
+}
+
+func GetAllMultiTokens() string {
+	var sb strings.Builder
+	registeredMTs.Iterate("", "", func(key string, value interface{}) bool {
+		sb.WriteString(ufmt.Sprintf("MultiToken:%s,", key))
+		return false
+	})
+	return sb.String()
+}
+
+func GetAllRegistered() string {
+	return GetAllNFTs() + GetAllTokens() + GetAllMultiTokens()
+}
diff --git a/examples/gno.land/r/matijamarjanovic/tokenhub/render.gno b/examples/gno.land/r/matijamarjanovic/tokenhub/render.gno
@@ -0,0 +1,213 @@
+package tokenhub
+
+import (
+	"strings"
+	"strconv"
+	"gno.land/p/demo/ufmt"
+	"gno.land/p/moul/md"
+	"gno.land/r/demo/grc20reg"
+	"gno.land/p/demo/grc/grc20"
+	"gno.land/p/demo/grc/grc721"
+)
+
+
+
+func Render(path string) string {
+	var sb strings.Builder
+
+	switch {
+	case path == "":
+		// home page
+		sb.WriteString(md.H1("Token Hub"))
+		sb.WriteString(md.Paragraph("A central registry for GRC721 NFTs, GRC20 tokens, and GRC1155 multi-tokens on gno.land"))
+
+		links := []string{
+			md.Link("GRC20 Tokens", "http://localhost:8888/r/matijamarjanovic/tokenhub:token_1"),
+			md.Link("GRC721 NFTs", "http://localhost:8888/r/matijamarjanovic/tokenhub:nft_1"),
+			md.Link("GRC1155 Multi-Tokens", "http://localhost:8888/r/matijamarjanovic/tokenhub:mt_1"),
+		}
+		sb.WriteString(md.BulletList(links))
+
+	case strings.HasPrefix(path, "token"): // grc20
+		sb.WriteString(md.H1("GRC20 Tokens"))
+		var tokenItems []string
+
+		page := 1
+		if strings.HasPrefix(path, "token_") { // get page number from path
+			pageStr := strings.TrimPrefix(path, "token_")
+			if p, err := strconv.Atoi(pageStr); err == nil {
+				page = p
+			}
+		}
+
+		startKey := ""
+		if page > 1 {
+			lastKey := grc20reg.IterateN("", (page-1)*pageSize, func(key string, tokenGetter grc20.TokenGetter) bool { // start position
+				return false
+			})
+			startKey = lastKey
+		}
+
+		lastKey := grc20reg.IterateN(startKey, pageSize, func(key string, tokenGetter grc20.TokenGetter) bool { // get current page tokens
+			token := tokenGetter()
+			tokenItems = append(tokenItems, ufmt.Sprintf("%s (%s) [%s]",
+				md.Bold(token.GetName()),
+				md.InlineCode(token.GetSymbol()),
+				md.InlineCode(key)))
+			return false
+		})
+
+		if len(tokenItems) > 0 {
+			sb.WriteString(md.BulletList(tokenItems))
+
+			sb.WriteString("\n")
+			sb.WriteString(md.HorizontalRule())
+
+			if page > 1 {
+				prevPage := ufmt.Sprintf("http://localhost:8888/r/matijamarjanovic/tokenhub:token_%d", page-1)
+				sb.WriteString(md.Link("Previous", prevPage))
+				sb.WriteString(" | ")
+			}
+
+			if len(tokenItems) == pageSize && lastKey != "" {
+				nextPage := ufmt.Sprintf("http://localhost:8888/r/matijamarjanovic/tokenhub:token_%d", page+1)
+				sb.WriteString(md.Link("Next", nextPage))
+			}
+		} else {
+			sb.WriteString(md.Italic("No tokens registered yet"))
+			sb.WriteString("\n")
+		}
+
+	case strings.HasPrefix(path, "nft"): // grc721
+		sb.WriteString(md.H1("GRC721 NFTs"))
+		var nftItems []string
+
+		page := 1
+		if strings.HasPrefix(path, "nft_") {
+			pageStr := strings.TrimPrefix(path, "nft_")
+			if p, err := strconv.Atoi(pageStr); err == nil {
+				page = p
+			}
+		}
+
+		startIdx := (page - 1) * pageSize
+		count := 0
+		currentIdx := 0
+
+		registeredNFTs.Iterate("", "", func(key string, value interface{}) bool {
+			if currentIdx < startIdx {
+				currentIdx++
+				return false
+			}
+			if count >= pageSize {
+				return true
+			}
+
+			nftGetter := value.(grc721.NFTGetter)
+			nft := nftGetter()
+			metadata, ok := nft.(grc721.IGRC721CollectionMetadata)
+			if !ok {
+				return false
+			}
+
+			nftItems = append(nftItems, ufmt.Sprintf("%s (%s) [%s]",
+				md.Bold(metadata.Name()),
+				md.InlineCode(metadata.Symbol()),
+				md.InlineCode(key)))
+
+			count++
+			currentIdx++
+			return false
+		})
+
+		if len(nftItems) > 0 {
+			sb.WriteString(md.BulletList(nftItems))
+			sb.WriteString("\n")
+			sb.WriteString(md.HorizontalRule())
+
+			if page > 1 {
+				prevPage := ufmt.Sprintf("http://localhost:8888/r/matijamarjanovic/tokenhub:nft_%d", page-1)
+				sb.WriteString(md.Link("Previous", prevPage))
+				sb.WriteString(" | ")
+			}
+
+			if len(nftItems) == pageSize {
+				nextPage := ufmt.Sprintf("http://localhost:8888/r/matijamarjanovic/tokenhub:nft_%d", page+1)
+				sb.WriteString(md.Link("Next", nextPage))
+			}
+		} else {
+			sb.WriteString(md.Italic("No NFTs registered yet"))
+			sb.WriteString("\n")
+		}
+
+	case strings.HasPrefix(path, "mt"): // grc1155
+		sb.WriteString(md.H1("GRC1155 Multi-Tokens"))
+		var mtItems []string
+
+		page := 1
+		if strings.HasPrefix(path, "mt_") {
+			pageStr := strings.TrimPrefix(path, "mt_")
+			if p, err := strconv.Atoi(pageStr); err == nil {
+				page = p
+			}
+		}
+
+		startIdx := (page - 1) * pageSize
+		count := 0
+		currentIdx := 0
+
+		registeredMTs.Iterate("", "", func(key string, value interface{}) bool {
+			if currentIdx < startIdx {
+				currentIdx++
+				return false
+			}
+			if count >= pageSize {
+				return true
+			}
+
+			info := value.(GRC1155TokenInfo)
+			mtItems = append(mtItems, ufmt.Sprintf("%s: %s [%s]",
+				md.Bold("TokenID"),
+				md.InlineCode(info.TokenID),
+				md.InlineCode(key)))
+
+			count++
+			currentIdx++
+			return false
+		})
+
+		if len(mtItems) > 0 {
+			sb.WriteString(md.BulletList(mtItems))
+			sb.WriteString("\n")
+			sb.WriteString(md.HorizontalRule())
+
+			if page > 1 {
+				prevPage := ufmt.Sprintf("http://localhost:8888/r/matijamarjanovic/tokenhub:mt_%d", page-1)
+				sb.WriteString(md.Link("Previous", prevPage))
+				sb.WriteString(" | ")
+			}
+
+			if len(mtItems) == pageSize {
+				nextPage := ufmt.Sprintf("http://localhost:8888/r/matijamarjanovic/tokenhub:mt_%d", page+1)
+				sb.WriteString(md.Link("Next", nextPage))
+			}
+		} else {
+			sb.WriteString(md.Italic("No multi-tokens registered yet"))
+			sb.WriteString("\n")
+		}
+
+	default:
+		sb.WriteString(md.H1("404 Not Found"))
+		sb.WriteString(md.Paragraph("The requested page does not exist."))
+		sb.WriteString(md.Link("Back to home", "http://localhost:8888/r/matijamarjanovic/tokenhub"))
+	}
+
+	// navigation footer if not on home page
+	if path != "" {
+		sb.WriteString("\n")
+		sb.WriteString(md.HorizontalRule())
+		sb.WriteString(md.Link("Back to home", "http://localhost:8888/r/matijamarjanovic/tokenhub"))
+	}
+
+	return sb.String()
+}